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Evolution Project
     Evolution and Natural Selection
            Similarities and differences in inherited characteristics of orga…

NGSS Statement from LS4.A MS :

Anatomical similarities and differences between various organisms living today and between them and organisms in the fossil record, enable the reconstruction of evolutionary history and the inference of lines of evolutionary descent.

Items associated with this NGSS statement in this project (Evolution Project) and key idea (Similarities and differences in inh…)
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CA014003

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	"topic" => "Argumentation and Evolution",
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<p><span style="font-size: 11pt;"><span style="font-family: Arial;">NOTE:  Students are not expected to recognize names or representations of specific atoms or molecules.  Items dealing with atoms and molecules will use only the more common atoms and molecules, such as hydrogen, carbon, water, oxygen, air, alcohol, gold, iron, sulfur, etc.</span></span></p>",
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<p><span style="font-size: 11pt;"><span style="font-family: Arial;">Caution:  The emphasis here is not on learning the names of the forms of energy.  The labels are used to help us keep track of the energy. </span></span></p>
<p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note:  Students will not be assessed on their knowledge of the phrases &ldquo;kinetic energy&rdquo; or &ldquo;potential energy,&rdquo; which are covered under a later idea, 4E/H9** (NSES).  Although the term &ldquo;kinetic energy&rdquo; will appear in parentheses whenever &ldquo;motion energy&rdquo; appears, and the term &ldquo;potential energy&rdquo; will be used in the context of gravitational potential energy.</span></span></p>
<p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note:  Students are not expected to know the difference between &ldquo;weight&rdquo; and &ldquo;mass.&rdquo; </span></span></p>",
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<p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note:  Students will not be assessed on their knowledge of the phrases &ldquo;kinetic energy&rdquo; or &ldquo;potential energy,&rdquo; which are covered under a later idea, 4E/H9** (NSES).  Although the term &ldquo;kinetic energy&rdquo; will appear in parentheses whenever &ldquo;motion energy&rdquo; appears, and the term &ldquo;potential energy&rdquo; will be used in the context of gravitational potential energy.</span></span></p>
<p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note:  Students are not expected to know the difference between &ldquo;weight&rdquo; and &ldquo;mass.&rdquo; </span></span></p>",
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	"topic_info" => "<div>
<div>
<p>This topic centers on Newton&rsquo;s Laws of Motion, and in particular, Newton&rsquo;s 2<sup>nd</sup> Law.  Students are expected to apply Newton&rsquo;s 2<sup>nd</sup> Law to a variety of forces and motions.&nbsp; This topic&rsquo;s key ideas are based on benchmarks and standards from Chapter 4, Section F of <i>Benchmarks for Science Literacy </i>(BSL), Chapter 4, Section F of <i>Science for All Americans</i> (SFAA), and Content Standard B of <i>National Science Education Standards</i> (NSES).</p>
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	"topic_info" => "<p class="MsoNormal">  </p>
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<p class="MsoNormal"><font size="3"><span style="font-size: 12pt; font-family: Arial;"><span style=""> </span><o:p></o:p></span></font></p>",
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<p style="margin: 0in 0in 0.0001pt;"><span style="font-family: Arial;">Matter and Energy in Living Systems is about the transformation of matter and energy among living organisms and between them and their physical environment. The topic focuses on the basic chemical reactions involved in making, using, and storing molecules from food and the energy sources and transformations involved in these processes. This topic emphasizes the molecular level but includes items that assess the substance level as well. It does not deal with ideas about the interdependence of living things at the organismal level, which are covered under the topic Interdependence of Life. The ideas presented here are drawn from the text of Chapter 5 of Science for All Americans and Chapter 5, Section E of Benchmarks for Science Literacy and are consistent with both the Life Science Content Statements in the 2009 National Assessment of Education Performance (NAEP) Science Framework and The College Board Science Standards for College Success.</span><o:p></o:p></p>",
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	"topic" => "Processes that shape the earth/Plate Tectonics Version II",
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	"topic_info" => "<p class="MsoNormal"><span style="">Students first learn about motion in the outer layers of the earth in grades 6-8, and the mechanisms and consequences of plate movement are introduced later in grades 9-12. In grades 6-8 students learn that the outermost layer of the earth consists of rigid plates [note: students are not distinguishing between crust and upper mantle], and the plates move over a hot, slightly softened layer of rock. At this level, students also learn that the plates interact with each other as they move, forming mountains where they press together.<span style="">&nbsp; </span>In grades 9-12 students learn more about plate interactions and their consequences, such as earthquakes, and volcanic eruptions. Also addressed in this topic is one causal mechanism for plate movement: circulation within the layer below the plates. <o:p></o:p></span></p>",
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	array(
	"short" => "RH",
	"short_pub" => "RH",
	"topic" => "Reproduction, Genes, and Heredity",
	"id" => "12",
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	"public_pr" => "0",
	"topic_pub" => "Reproduction, Genes, and Heredity",
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	"short" => "SC",
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	"topic" => "Substances, Chemical Reactions, and Conservation",
	"id" => "6",
	"topic_info" => "<p><span style="font-size: 11pt;"><span style="font-family: Arial;">This topic deals with characteristic properties of substances, chemical reactions, and conservation of matter.  Students are expected to use the idea of characteristic properties to identify substances and to determine if a chemical reaction has occurred by recognizing that a new substance has formed.  Students should also be able to use their knowledge of the particulate nature of matter to describe the rearrangement of atoms in chemical reactions and to understand that matter is conserved during various transformations of matter such as chemical reactions, changes of state, and dissolving.  Related ideas, as well as ideas that are expected to be taught earlier and later, are included on accompanying assessment maps.  The ideas presented here are based on Chapter 4, Section D, of Benchmarks for Science Literacy (BSL) and Physical Science Content Standard B of the National Science Education Standards (NSES) (see Appendix A for specific Benchmarks and Standards).</span></span></p>",
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	"topic" => "Weather and Climate I: Basic Elements",
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	"topic_pub" => "Weather and Climate I: Basic Elements",
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	"topic_pub" => "Weather and Climate II: Seasonal Differences",
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	"id" => "26",
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	"public_pr" => "1",
	"topic_pub" => "Weathering, Erosion, and Deposition",
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	"title" => "ASPECt Project",
	"internal_notes" => "",
	"description" => "The goal of the Assessing Students' Progress on the Energy Concept (ASPECt) project was to develop a set of three tests that can be used to diagnose what students in grades 4 through 12 know about energy and to monitor their progress along a learning progression. Support materials are provided to help users interpret students' scores to learn more about what energy ideas students do and do not know and what misconceptions they may have.",
	"funder" => "The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through Grant R305A120138 to the American Association for the Advancement of Science. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.",
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	array(
	"id" => "4",
	"title" => "THSB Project",
	"internal_notes" => "This tab is currently only visible to administrators.",
	"description" => "The Toward High School Biology (THSB) test items were developed to assess middle school students’ understanding of ideas about matter changes that are aligned to learning goals in the NRC Framework for K-12 Science Education and Next Generation Science Standards. The items were developed to evaluate the promise of the Toward High School Biology curriculum unit that is published by NSTA Press (AAAS, 2017). The test items can be used to assess students’ understanding of NGSS ideas, crosscutting concepts, and practices, irrespective of any specific curriculum. 
<br><br>
Development of the test items involved reviewing the relevant NGSS learning goals, including performance expectations, evidence statements, disciplinary core ideas, science practices, and related statements from the NRC Framework. Research on student learning was examined to identify common misconceptions, which were then incorporated into the items as distractors. Items were pilot tested with 532 students from a school district that had adopted NGSS but was not participating in the curriculum study.  The pilot test data was used to inform revisions to the items and the selection of the items for the final pre/posttest that was used to measure the effect of the curriculum on student learning gains. 
<br><br>
The test items assess students’ understanding of ideas about chemical reactions at both the substance level and the atomic/molecular level in both simple physical systems and complex biological systems, along with aspects of the science practices of analyzing data, developing and using models, and constructing explanations. The field test of the curriculum unit included 36 multiple choice items, 3 of which also asked students to explain why the answer they chose is correct and the other answer choices are incorrect.  Students took the test prior to their having instruction on the targeted ideas and again following instruction. Multiple-choice items, misconceptions assessed, and scoring rubrics for the two-tiered items are provided in this tab.",
	"funder" => "The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through Grant R305A100714 to the American Association for the Advancement of Science. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.",
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	array(
	"id" => "5",
	"title" => "MEGA Project",
	"internal_notes" => "This tab is currently only visible to administrators. <br>",
	"description" => "The Matter and Energy for Growth and Activity (MEGA) test items were developed to assess high school students’ understanding of ideas about matter and energy changes and energy transfer that are aligned to learning goals in the NRC Framework for K-12 Science Education and Next Generation Science Standards. The items were developed to evaluate the promise of the Matter and Energy for Growth and Activity curriculum unit that is published by NSTA Press (AAAS, 2020). The test items can be used to assess students’ understanding of NGSS ideas, crosscutting concepts, and practices, irrespective of any specific curriculum. 
<br><br>
Development of the test items involved reviewing the relevant NGSS learning goals, including performance expectations, evidence statements, disciplinary core ideas, science practices, and related statements from the NRC Framework and concepts on energy transfer in the Science College Board Science Standards for College Success (The College Board, 2009). Research on student learning was examined to identify common misconceptions, which were then incorporated into the items as distractors. Items were pilot tested with 1300 students from across the U.S. in school districts that were not participating in the curriculum study and continued to be piloted with each implementation of the unit. The data from pilot testing were used to inform revisions to the items and the selection of the items for the final pre/posttest that was used to measure the effect of the curriculum on student learning gains. 
<br><br>
The test items assess students’ understanding of ideas about matter and energy changes during chemical reactions at both the substance level and the atomic/molecular level in both simple physical systems and complex biological systems, aspects of the crosscutting concept of systems and system models, and aspects of the science practices of analyzing data, developing and using models, and constructing explanations. Multiple-choice items, misconceptions assessed, and scoring rubrics for the constructed-response items are provided in this tab.",
	"funder" => "The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through Grant R305A150310 to the American Association for the Advancement of Science. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.",
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	"id" => "7",
	"title" => "Linguistics Project",
	"internal_notes" => "This tab is currently only visible to administrators.",
	"description" => "In 2014, with funding from the National Science Foundation, we began to investigate which of many possible linguistic and cognitive factors might differentially affect the performance of non-native English-speaking students on science tests when compared to the performance of native English speakers. We had about 1000 test items in our item bank, and we knew whether English was the primary language of the students who had answered those test questions during field testing. The students in the testing sample ranged from 6th to 12th graders. We also knew from our field testing that, on average, the students whose primary language was not English scored about seven percentage points lower than students who said that English was their primary language. The challenge was to identify the factors that could explain that difference.
<br><br>
We combed the research literature for likely candidates and systematically narrowed the possible item features based on our own statistical analyses. In the end, we were unable to find anything that could reliably explain that seven percentage point difference. None of our cognitive or linguistic measures proved to be statistically significant predictors of the performance of native-English-speakers, English learners, or the difference between them.
<br><br>
We were left with the conclusion that the most likely explanation for the difference between the scores of the two groups was their understanding of the science content itself and, in turn, their opportunity to learn this content. This conclusion was confirmed toward the end of the project when we administered a sample of the test questions to students in a single school taught by the same teacher where about half of the students were native-English speakers and half were native-Spanish speakers. In this case, where the native-Spanish speakers received the same instruction from the same teacher side-by-side with the native English-speakers, there was no difference in performance.
<br><br>
Under this tab, you will find a variety of materials from this study. These include:
<br><br>
• A final technical report of the study, which describes the study and its results in their entirety.
<br><br>
• A report on a validation study that compared EL and non-EL student performance on two sets of items that had been revised to either make access to the items less or more challenging for EL students.
<br><br>
• Topic-level summaries that present the data that we collected and analyzed for each of 16 life, physical, and earth science topics.
<br><br>
• A summary of research that we compiled on the linguistic features that help or hinder EL access to assessment items.
<br><br>
• Conference presentations made throughout the course of the project",
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	"id" => "432",
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	"code" => "LS4.A-M.2",
	"section" => "Evidence of Common Ancestry and Diversity",
	"text" => "Anatomical similarities and differences between various organisms living today and between them and organisms in the fossil record, enable the reconstruction of evolutionary history and the inference of lines of evolutionary descent.",
	"primary" => "MS-LS4-2",
	"secondary" => "None",
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$title_for_layout	=	"Topics ~ Evolution and Natural Selection ~ NGSS Link LS4.A-M.2"
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  The table below shows the presence or absence of traits in seven different species.
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          Character
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          Bird
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          Crocodile
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          Blowhole
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          &#160;
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          &#160;
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          Yes
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          &#160;
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          &#160;
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          Body hair
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          &#160;
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          &#160;
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      <td style="width:77px;">
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          &#160;
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          Yes
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      <td style="width:74px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:80px;">
        <p style="text-align: center;">
          Yes
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          Amniotic egg
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          &#160;
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          Yes
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      <td style="width:77px;">
        <p style="text-align: center;">
          Yes
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      <td style="width:79px;">
        <p style="text-align: center;">
          Yes
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          Yes
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        <p style="text-align: center;">
          Yes
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          Forelimbs
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          Yes
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          Yes
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      <td style="width:77px;">
        <p style="text-align: center;">
          Yes
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      <td style="width:79px;">
        <p style="text-align: center;">
          Yes
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      <td style="width:74px;">
        <p style="text-align: center;">
          Yes
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      <td style="width:80px;">
        <p style="text-align: center;">
          Yes
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          Backbone
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      <td style="width:76px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width:77px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width:74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width:80px;">
        <p style="text-align: center;">
          Yes
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    </tr>
    <tr>
      <td style="width:97px;">
        <p style="text-align: center;">
          Holes in Skull
        </p>
      </td>
      <td style="width:76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width:76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width:77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width:79px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width:74px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width:80px;">
        <p>
          &#160;
        </p>
      </td>
    </tr>
  </tbody>
</table>
<p>
  &#160;
</p>
<p>
  Based only on the traits presented in the table, which organism is probably most distantly related to gorillas?
</p>
<ol class="itemAnswers"
    type="A">
  <li>Bird
  </li>
  <li>Frog
  </li>
  <li>Pig
  </li>
  <li>Whale
  </li>
</ol>",
	"version" => "3",
	"title" => "Organisms that have fewer traits in common are probably more distantly related than organisms with more traits in common.",
	"date" => "2019-05-19 11:13:02",
	"topic_id" => "39",
	"notes" => "Revised August 2017",
	"source" => "Table adapted from SEPUP SGI http://sepuplhs.org/high/sgi/index.html",
	"attribution" => "",
	"answer" => "B",
	"answer_type" => "S",
	"response_count" => "4",
	"locked" => "0",
	"public" => "0",
	"context" => "Vertebrate Table",
	"deleted" => "0",
	"img_support" => "0",
	"item_status" => "3011",
	"html_check" => "0",
	"ngss_notes" => "",
	"grade_bands" => "H",
	"scale_score" => "",
	"stats_file" => null,
	"n_value" => null,
	"ItemsNgssLink" => array(),
	"Topic" => array(),
	"Project" => array(),
	"Idea" => array()
),
	array(
	"id" => "5015",
	"code" => "CA15-3",
	"owner" => "jhardcastle",
	"text" => "<p>
  The table below shows the presence or absence of traits in seven different species.
</p>
<table border="1"
       cellpadding="0"
       cellspacing="0"
       style="font-size: 17.3333px;">
  <tbody>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Character
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Frog
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Bird
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Crocodile
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Whale
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Pig
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Gorilla
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Blowhole
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Body hair
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Amniotic egg
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Forelimbs
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Backbone
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Holes in Skull
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 80px;">
        <p>
          &#160;
        </p>
      </td>
    </tr>
  </tbody>
</table>
<p>
  &#160;
</p>
<p>
  Based only on the traits presented in the table, which organism is most closely related to whales?
</p>
<ol class="itemAnswers"
    type="A">
  <li>Pigs
  </li>
  <li>Birds
  </li>
  <li>Gorillas
  </li>
  <li>Not enough information is provided
  </li>
</ol>",
	"version" => "3",
	"title" => "Organisms that have more traits in common are probably more closely related than organisms with fewer traits in common.",
	"date" => "2019-05-19 11:13:02",
	"topic_id" => "39",
	"notes" => "Revised August 2017",
	"source" => "Table adapted from SEPUP SGI http://sepuplhs.org/high/sgi/index.html",
	"attribution" => "",
	"answer" => "D",
	"answer_type" => "S",
	"response_count" => "4",
	"locked" => "0",
	"public" => "0",
	"context" => "Vertebrate Table",
	"deleted" => "0",
	"img_support" => "0",
	"item_status" => "1111",
	"html_check" => "0",
	"ngss_notes" => "NGSS includes the idea that anatomical similarities and differences can be used to infer lines of evolutionary descent and, by extension, degree of relatedness, but it does not say explicitly that the greater the degree of similarity the more closely organisms are related.",
	"grade_bands" => "H",
	"scale_score" => "None",
	"stats_file" => null,
	"n_value" => null,
	"ItemsNgssLink" => array(),
	"Topic" => array(),
	"Project" => array(),
	"Idea" => array()
),
	array(
	"id" => "5336",
	"code" => "CA20-3",
	"owner" => "jhardcastle",
	"text" => "<p>
  The table below shows the presence or absence of traits in seven different species.
</p>
<table border="1"
       cellpadding="3"
       cellspacing="0">
  <tbody>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Character
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Frog
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Bird
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Crocodiles
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Whale
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Pig
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Gorilla
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Blowhole
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Body hair
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Amniotic egg
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Forelimbs
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Backbone
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Holes in Skull
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 80px;">
        <p>
          &#160;
        </p>
      </td>
    </tr>
  </tbody>
</table>
<p>
  Which diagram most likely depicts the relationship between birds, crocodiles, and frogs? <strong>Choose the diagram which most likely depicts the relationship
  between birds, crocodiles, and frogs by clicking its letter at the bottom of the screen.</strong>
</p>
<p>
  <img alt=""
     src="http://flora.p2061.org/items/media/uploads/image/Common_Ancestry/BirdsCrocsFrogs.gif"
     style="width: 600px; height: 431px;">
</p>",
	"version" => "3",
	"title" => "Organisms that have more traits in common share a more recent common ancestor than organisms with fewer traits in common. (Tree diagram)",
	"date" => "2019-05-19 11:13:02",
	"topic_id" => "39",
	"notes" => "Revised August 2017",
	"source" => "",
	"attribution" => "",
	"answer" => "A",
	"answer_type" => "S",
	"response_count" => "4",
	"locked" => "0",
	"public" => "0",
	"context" => "Vertebrate Table",
	"deleted" => "0",
	"img_support" => "1",
	"item_status" => "3011",
	"html_check" => "0",
	"ngss_notes" => "",
	"grade_bands" => "H",
	"scale_score" => "",
	"stats_file" => null,
	"n_value" => null,
	"ItemsNgssLink" => array(),
	"Topic" => array(),
	"Project" => array(),
	"Idea" => array()
),
	array(
	"id" => "5339",
	"code" => "CA16-3",
	"owner" => "jhardcastle",
	"text" => "<p>
  The table below shows the presence or absence of traits in seven different species.
</p>
<table border="1"
       cellpadding="3"
       cellspacing="0">
  <tbody>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Character
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Frog
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Bird
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Crocodiles
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Whale
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Pig
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Gorilla
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Blowhole
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Body hair
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Amniotic egg
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Forelimbs
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Backbone
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
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          Holes in Skull
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      <td style="width: 76px;">
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          &#160;
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          Yes
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      <td style="width: 77px;">
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          Yes
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      <td style="width: 79px;">
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          &#160;
        </p>
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      <td style="width: 74px;">
        <p style="text-align: center;">
          &#160;
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      <td style="width: 80px;">
        <p>
          &#160;
        </p>
      </td>
    </tr>
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</table>
<p>
  Based only on the traits presented in the table, are birds, frogs, or crocodiles, most closely related to pigs?
</p>
<ol class="itemAnswers"
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  </li>
  <li>Frogs
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  <li>Crocodiles
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  <li>Not enough information
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</ol>",
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	array(
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	"owner" => "jhardcastle",
	"text" => "<p>
  The table below shows the presence or absence of traits in seven different species.
</p>
<table border="1"
       cellpadding="3"
       cellspacing="0">
  <tbody>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
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      <td style="width: 76px;">
        <p style="text-align: center;">
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          Bird
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          Crocodiles
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      <td style="width: 79px;">
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          Whale
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      <td style="width: 74px;">
        <p style="text-align: center;">
          Pig
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      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Gorilla
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    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Blowhole
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      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
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      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
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      <td style="width: 77px;">
        <p style="text-align: center;">
          &#160;
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      <td style="width: 79px;">
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          Yes
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          &#160;
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      <td style="width: 80px;">
        <p style="text-align: center;">
          &#160;
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      <td style="width: 97px;">
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          &#160;
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      <td style="width: 76px;">
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          &#160;
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        <p style="text-align: center;">
          &#160;
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      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
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      </td>
    </tr>
    <tr>
      <td style="width: 97px;">
        <p style="text-align: center;">
          Amniotic egg
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      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width: 76px;">
        <p style="text-align: center;">
          Yes
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      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
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    <tr>
      <td style="width: 97px;">
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        <p style="text-align: center;">
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        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
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      <td style="width: 80px;">
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    <tr>
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        <p style="text-align: center;">
          Yes
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      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 79px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 74px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 80px;">
        <p style="text-align: center;">
          Yes
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    <tr>
      <td style="width: 97px;">
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          Holes in Skull
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      <td style="width: 76px;">
        <p style="text-align: center;">
          &#160;
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      <td style="width: 76px;">
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          Yes
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      <td style="width: 77px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width: 79px;">
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          &#160;
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      <td style="width: 74px;">
        <p style="text-align: center;">
          &#160;
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      </td>
      <td style="width: 80px;">
        <p>
          &#160;
        </p>
      </td>
    </tr>
  </tbody>
</table>
<p>
  There is not enough information in the table to determine which organism is most closely related to whales. What else could help scientists determine which organism
  is most closely related to whales?
</p>
<ol class="itemAnswers"
    type="A">
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  </li>
  <li>If whales and crocodiles both have traits adapted to living underwater
  </li>
  <li>If whales, pigs, and gorillas all start to develop pelvic bones as embryos
  </li>
  <li>If whales have some genes that are not found in any of the other organisms
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</ol>",
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	"owner" => "jhardcastle",
	"text" => "<p>
  The table below shows the presence or absence of traits in seven different species.
</p>
<table border="1"
       cellpadding="0"
       cellspacing="0">
  <tbody>
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          Character
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        <p style="text-align: center;">
          Bird
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          Crocodile
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      <td style="width:79px;">
        <p style="text-align: center;">
          Whale
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      <td style="width:74px;">
        <p style="text-align: center;">
          Pig
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      <td style="width:80px;">
        <p style="text-align: center;">
          Gorilla
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    <tr>
      <td style="width:97px;">
        <p style="text-align: center;">
          Blowhole
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      <td style="width:76px;">
        <p style="text-align: center;">
          &#160;
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      </td>
      <td style="width:76px;">
        <p style="text-align: center;">
          &#160;
        </p>
      </td>
      <td style="width:77px;">
        <p style="text-align: center;">
          &#160;
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      <td style="width:79px;">
        <p style="text-align: center;">
          Yes
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      <td style="width:74px;">
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          &#160;
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      <td style="width:80px;">
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          &#160;
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          Body hair
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        <p style="text-align: center;">
          &#160;
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      <td style="width:79px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:74px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
      <td style="width:80px;">
        <p style="text-align: center;">
          Yes
        </p>
      </td>
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    <tr>
      <td style="width:97px;">
        <p style="text-align: center;">
          Amniotic egg
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      <td style="width:76px;">
        <p style="text-align: center;">
          &#160;
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          Yes
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        <p style="text-align: center;">
          Yes
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      <td style="width:80px;">
        <p style="text-align: center;">
          Yes
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      </td>
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    <tr>
      <td style="width:97px;">
        <p style="text-align: center;">
          Forelimbs
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      <td style="width:76px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:76px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:77px;">
        <p style="text-align: center;">
          Yes
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      <td style="width:79px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:74px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:80px;">
        <p style="text-align: center;">
          Yes
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    <tr>
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          Backbone
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        <p style="text-align: center;">
          Yes
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      <td style="width:76px;">
        <p style="text-align: center;">
          Yes
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      </td>
      <td style="width:77px;">
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          Yes
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      </td>
      <td style="width:79px;">
        <p style="text-align: center;">
          Yes
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      <td style="width:74px;">
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          Yes
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        <p>
          &#160;
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</table>
<p>
  &#160;
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<p>
  Based only on the traits presented in the table, which organism is probably most distantly related to gorillas?
</p>
<ol class="itemAnswers"
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  </li>
  <li>Frog
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  <li>Pig
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  <li>Whale
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Debugger::handleError() - CORE/cake/libs/debugger.php, line 306
include - APP/views/ngss_links/view.ctp, line 125
View::_render() - CORE/cake/libs/view/view.php, line 736
DebugView::_render() - APP/plugins/debug_kit/views/debug.php, line 43
View::render() - CORE/cake/libs/view/view.php, line 431
DebugView::render() - APP/plugins/debug_kit/views/debug.php, line 85
Controller::render() - CORE/cake/libs/controller/controller.php, line 909
Dispatcher::_invoke() - CORE/cake/dispatcher.php, line 207
Dispatcher::dispatch() - CORE/cake/dispatcher.php, line 171
[main] - APP/webroot/index.php, line 86
Organisms that have fewer traits in common are probably more distantly related than organisms with more traits in common.

CA015003

Organisms that have more traits in common are probably more closely related than organisms with fewer traits in common.

CA020003

Organisms that have more traits in common share a more recent common ancestor than organisms with fewer traits in common. (Tree diagram)

CA016003

Organisms that have more traits in common share a more recent common ancestor than organisms with fewer traits in common.

CA022003

Fossils can be used to determine how closely organisms are related.

Items associated with this NGSS statement in this project (Evolution Project) and other key ideas

EN052002

A scientist studying the fossils of an extinct species of fish could discover what anatomical features the extinct species had, and he could discover similarities and differences between the features of the extinct fish and those of currently existing fish.

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  • CakePHP
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    SHOW FULL COLUMNS FROM `participants` 15 15 1 maybe slow
    SHOW FULL COLUMNS FROM `responses` 9 9 0
    SHOW FULL COLUMNS FROM `assessments_items` 7 7 0
    SHOW FULL COLUMNS FROM `feedbacks` 10 10 0
    SHOW FULL COLUMNS FROM `items_users` 3 3 0
    SHOW FULL COLUMNS FROM `projects` 12 12 1 maybe slow
    SHOW FULL COLUMNS FROM `project_files` 7 7 1 maybe slow
    SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.COLLATIONS WHERE COLLATION_NAME= 'utf8_unicode_ci'; 1 1 0
    SHOW FULL COLUMNS FROM `misconceptions` 6 6 1 maybe slow
    SHOW FULL COLUMNS FROM `items_misconceptions` 4 4 7 maybe slow
    SHOW FULL COLUMNS FROM `ideas_misconceptions` 6 6 1 maybe slow
    SHOW FULL COLUMNS FROM `misconceptions_projects` 4 4 6 maybe slow
    SHOW FULL COLUMNS FROM `items_projects` 3 3 0
    SHOW FULL COLUMNS FROM `projects_topics` 6 6 0
    SHOW FULL COLUMNS FROM `ideas_projects` 2 2 0
    SHOW FULL COLUMNS FROM `clusters` 4 4 1 maybe slow
    SHOW FULL COLUMNS FROM `ideas_items` 4 4 6 maybe slow
    SHOW FULL COLUMNS FROM `ideas_ngss_links` 4 4 0
    SHOW FULL COLUMNS FROM `clusters_ideas` 4 4 0
    SHOW FULL COLUMNS FROM `answers` 7 7 1 maybe slow
    SHOW FULL COLUMNS FROM `packets` 13 13 7 maybe slow
    SHOW FULL COLUMNS FROM `students` 8 8 1 maybe slow
    SHOW FULL COLUMNS FROM `items_packets` 7 7 1 maybe slow
    SHOW FULL COLUMNS FROM `drawing_inputs` 5 5 1 maybe slow
    SHOW FULL COLUMNS FROM `drawing_input_options` 57 57 1
    SHOW FULL COLUMNS FROM `drawing_input_stamps` 5 5 7 maybe slow
    SHOW FULL COLUMNS FROM `rubrics` 8 8 1 maybe slow
    SHOW FULL COLUMNS FROM `forms` 8 8 1 maybe slow
    SHOW FULL COLUMNS FROM `forms_items` 4 4 0
    SHOW FULL COLUMNS FROM `items_ngss_links` 4 4 9 maybe slow
    SHOW FULL COLUMNS FROM `ngss_links_projects` 4 4 0
    SHOW FULL COLUMNS FROM `ngss_links_topics` 4 4 0
    SELECT `Topic`.`id`, `Topic`.`topic_pub`, `Topic`.`short`, `Topic`.`short_pub`, `Category`.*, `Category`.`id` FROM `topics` AS `Topic` LEFT JOIN `categories` AS `Category` ON (`Topic`.`category_id` = `Category`.`id`) WHERE `Topic`.`public_items` = 1 ORDER BY `Topic`.`topic_pub` ASC 23 23 9 maybe slow
    SELECT `Topic`.* FROM `topics` AS `Topic` WHERE `Topic`.`public_items` = 1 ORDER BY `Topic`.`topic_pub` ASC 23 23 0
    SELECT `NgssLink`.*, `NgssLink`.`id` FROM `ngss_links` AS `NgssLink` WHERE `NgssLink`.`code` = "LS4.A-M.2" 1 1 7 maybe slow
    SELECT `Item`.`id`, `Item`.`code`, `Item`.`owner`, `Item`.`text`, `Item`.`version`, `Item`.`title`, `Item`.`date`, `Item`.`topic_id`, `Item`.`notes`, `Item`.`source`, `Item`.`attribution`, `Item`.`answer`, `Item`.`answer_type`, `Item`.`response_count`, `Item`.`locked`, `Item`.`public`, `Item`.`context`, `Item`.`deleted`, `Item`.`img_support`, `Item`.`item_status`, `Item`.`html_check`, `Item`.`ngss_notes`, `Item`.`grade_bands`, `Item`.`scale_score`, `Item`.`stats_file`, `Item`.`n_value`, `ItemsNgssLink`.`id`, `ItemsNgssLink`.`item_id`, `ItemsNgssLink`.`ngss_link_id`, `ItemsNgssLink`.`deleted` FROM `items` AS `Item` JOIN `items_ngss_links` AS `ItemsNgssLink` ON (`ItemsNgssLink`.`ngss_link_id` = 432 AND `ItemsNgssLink`.`item_id` = `Item`.`id`) WHERE SUBSTRING(`Item`.`item_status`, 1, 1) <> '0' AND SUBSTRING(`Item`.`item_status`, 3, 1) = '1' AND SUBSTRING(`Item`.`item_status`, 4, 1) = '1' AND `Item`.`deleted` = 0 ORDER BY `Item`.`id` ASC 9 9 1 maybe slow
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 15 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 15 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 15 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 39 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 39 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 15 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 39 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 39 1 1 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id` FROM `topics` AS `Topic` WHERE `Topic`.`id` = 39 1 1 6 maybe slow
    SELECT `Project`.`id`, `Project`.`title`, `Project`.`internal_notes`, `Project`.`description`, `Project`.`funder`, `Project`.`complexity`, `Project`.`cluster`, `Project`.`multistat`, `Project`.`baseline`, `Project`.`control`, `Project`.`treatment`, `Project`.`deleted`, `ItemsProject`.`id`, `ItemsProject`.`project_id`, `ItemsProject`.`item_id` FROM `projects` AS `Project` JOIN `items_projects` AS `ItemsProject` ON (`ItemsProject`.`item_id` IN (3428, 3429, 3430, 5014, 5015, 5043, 5336, 5339, 5340) AND `ItemsProject`.`project_id` = `Project`.`id`) ORDER BY `Project`.`id` ASC 9 9 0
    SELECT `Idea`.`id`, `Idea`.`idea`, `IdeasItem`.`id`, `IdeasItem`.`item_id`, `IdeasItem`.`idea_id`, `IdeasItem`.`deleted` FROM `ideas` AS `Idea` JOIN `ideas_items` AS `IdeasItem` ON (`IdeasItem`.`item_id` IN (3428, 3429, 3430, 5014, 5015, 5043, 5336, 5339, 5340) AND `IdeasItem`.`idea_id` = `Idea`.`id`) WHERE `Idea`.`deleted` = 0 AND `IdeasItem`.`deleted` = 0 ORDER BY `Idea`.`code` ASC 9 9 0
    SELECT `Idea`.`id`, `Idea`.`code`, `Idea`.`idea`, `Idea`.`goal_id`, `Idea`.`topic_id`, `Idea`.`clarification`, `Idea`.`complexity`, `Idea`.`public`, `Idea`.`deleted`, `IdeasNgssLink`.`id`, `IdeasNgssLink`.`item_id`, `IdeasNgssLink`.`ngss_link_id`, `IdeasNgssLink`.`idea_id` FROM `ideas` AS `Idea` JOIN `ideas_ngss_links` AS `IdeasNgssLink` ON (`IdeasNgssLink`.`ngss_link_id` = 432 AND `IdeasNgssLink`.`idea_id` = `Idea`.`id`) 9 9 0
    SELECT `Topic`.`short`, `Topic`.`short_pub`, `Topic`.`topic`, `Topic`.`id`, `Topic`.`topic_info`, `Topic`.`public_pr`, `Topic`.`topic_pub`, `Topic`.`public_items`, `Topic`.`idea_notes`, `Topic`.`item_notes`, `Topic`.`miscon_notes`, `Topic`.`ngss_notes`, `Topic`.`category_id`, `NgssLinksTopic`.`id`, `NgssLinksTopic`.`item_id`, `NgssLinksTopic`.`topic_id`, `NgssLinksTopic`.`ngss_link_id` FROM `topics` AS `Topic` JOIN `ngss_links_topics` AS `NgssLinksTopic` ON (`NgssLinksTopic`.`ngss_link_id` = 432 AND `NgssLinksTopic`.`topic_id` = `Topic`.`id`) 9 9 10 maybe slow
    SELECT `Idea`.* FROM `ideas` AS `Idea` WHERE `Idea`.`id` IN (265) ORDER BY `Idea`.`code` ASC 1 1 0
    SELECT `Project`.* FROM `projects` AS `Project` WHERE 1 = 1 ORDER BY `Project`.`id` ASC 7 7 0
    SELECT `IdeasProject`.`idea_id`, `IdeasProject`.`project_id` FROM `ideas_projects` AS `IdeasProject` WHERE 1 = 1 174 174 0

    Query Explain:

    Click an "Explain" link above, to see the query explanation.

    ====
  • Timer
    + –

    Memory

    Peak Memory Use 3.91 MB

    Message Memory use
    Component initialization 2.53 MB
    Controller action start 2.58 MB
    Controller render start 2.89 MB
    View render complete 3.35 MB

    Timers

    Total Request Time: 279 (ms)

    Message Time in ms Graph
    Core Processing (Derived) 126.48
    Component initialization and startup 11.42
    Controller action 38.98
    Render Controller Action 27.70
    » Rendering View 25.99
    » » Rendering APP/views/ngss_links/view.ctp 24.64
    » » Rendering APP/views/layouts/default.ctp 1.01
    ====
  • Log
    + –

    Logs

    ====
  • Variables
    + –

    View Variables

    • topicEN
    • topics
      • 44
        • shortAE
        • short_pubAE
        • topicArgumentation and Evolution
        • id44
        • topic_info
        • public_pr1
        • topic_pubArgumentation and Evolution
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 47
        • shortAP
        • short_pubAP
        • topicASPECt 3D Tasks
        • id47
        • topic_info<p>ASPECt 3D tasks</p>
        • public_pr1
        • topic_pubASPECt-3D
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 5
        • shortAM
        • short_pubAM
        • topicAtoms, Molecules, and States of Matter
        • id5
        • topic_info<p><span style="font-size: 11pt;"><span style="font-family: Arial;">This topic deals with the particulate nature of matter and the basic assumptions of the kinetic molecular theory. Students are expected to know these ideas and to use them to provide molecular explanations of macroscopic phenomena such as the states of matter, phase changes, and thermal expansion. Related ideas, as well as ideas that are taught earlier and later, are included on accompanying assessment maps. The ideas presented here are based on Chapter 4, Section D of Benchmarks for Science Literacy (BSL) and Physical Science Content Standard B of National Science Education Standards (NSES). </span></span></p> <p><span style="font-size: 11pt;"><span style="font-family: Arial;">NOTE: Students are not expected to recognize names or representations of specific atoms or molecules. Items dealing with atoms and molecules will use only the more common atoms and molecules, such as hydrogen, carbon, water, oxygen, air, alcohol, gold, iron, sulfur, etc.</span></span></p>
        • public_pr1
        • topic_pubAtoms, Molecules, and States of Matter
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 31
        • shortCE
        • short_pubCE
        • topicCells: Composition of Organisms, Cell Structure, and Division
        • id31
        • topic_info
        • public_pr1
        • topic_pubCells
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 20
        • shortCV
        • short_pubCV
        • topicNature of Science: Control of Variables
        • id20
        • topic_info<p>This topic addresses claims of causal relationships, a major part of the work of science. It is important for students to recognize when causal claims are being made that are based on insufficient evidence and to know why these claims might not be valid. The ideas presented here are based on Chapter 1: Nature of Science and Chapter 9: The Mathematical World of <i>Benchmarks for Science Literacy</i> (BSL) and <i>Science for All Americans</i>.</p>
        • public_pr0
        • topic_pubControl of Variables
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id4
      • 50
        • shortEC
        • short_pubEC
        • topicEnergy Changes
        • id50
        • topic_info
        • public_pr1
        • topic_pubEnergy Changes
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 41
        • shortEB
        • short_pubEB
        • topicEnergy in Biology Curriculum Project
        • id41
        • topic_info
        • public_pr1
        • topic_pubEnergy in Biology
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 28
        • shortEG
        • short_pubEG
        • topicForms of Energy
        • id28
        • topic_info<p><span style="font-size: 11pt;"><span style="font-family: Arial;">This energy topic, EG, deals with motion energy, thermal energy, gravitational potential energy, and elastic potential energy. Related ideas, as well as ideas that are taught earlier and later, are included on an accompanying assessment map. The ideas presented here are based on Chapter 4, Section E, of Benchmarks for Science Literacy (BSL) (see Appendix A for the specific Benchmark). Other ideas about energy, including energy conservation, energy transformation, and energy transfer, will be part of the NG energy topic. </span></span></p> <p><span style="font-size: 11pt;"><span style="font-family: Arial;">Caution: The emphasis here is not on learning the names of the forms of energy. The labels are used to help us keep track of the energy. </span></span></p> <p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note: Students will not be assessed on their knowledge of the phrases &ldquo;kinetic energy&rdquo; or &ldquo;potential energy,&rdquo; which are covered under a later idea, 4E/H9** (NSES). Although the term &ldquo;kinetic energy&rdquo; will appear in parentheses whenever &ldquo;motion energy&rdquo; appears, and the term &ldquo;potential energy&rdquo; will be used in the context of gravitational potential energy.</span></span></p> <p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note: Students are not expected to know the difference between &ldquo;weight&rdquo; and &ldquo;mass.&rdquo; </span></span></p>
        • public_pr0
        • topic_pubEnergy: Forms, Transformation, Transfer, and Conservation
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 29
        • shortNG
        • short_pubNG
        • topicEnergy Transformations, Energy Transfer, and Conservation of Energy
        • id29
        • topic_info<p><span style="font-size: 11pt;"><span style="font-family: Arial;">This energy topic, NG, deals with energy transformations, energy transfer, and conservation of energy. Related ideas, as well as ideas that are taught earlier and later, are included on an accompanying assessment map (see page 11). The ideas presented here are based on Chapter 4, Section E, of Benchmarks for Science Literacy (BSL) and the Energy Transformations map of the Atlas of Science Literacy (see the appendix for the specific Benchmarks). Other ideas about energy, including motion energy, thermal energy, gravitational potential energy, elastic potential energy, chemical potential energy, and radiant energy (light) are part of the EG energy topic.</span></span></p> <p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note: Students will not be assessed on their knowledge of the phrases &ldquo;kinetic energy&rdquo; or &ldquo;potential energy,&rdquo; which are covered under a later idea, 4E/H9** (NSES). Although the term &ldquo;kinetic energy&rdquo; will appear in parentheses whenever &ldquo;motion energy&rdquo; appears, and the term &ldquo;potential energy&rdquo; will be used in the context of gravitational potential energy.</span></span></p> <p><span style="font-size: 11pt;"><span style="font-family: Arial;">Note: Students are not expected to know the difference between &ldquo;weight&rdquo; and &ldquo;mass.&rdquo; </span></span></p>
        • public_pr0
        • topic_pubEnergy: Forms, Transformation, Transfer, and Conservation
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 35
        • shortRG
        • short_pubRG
        • topicEnergy Instrument Development Project
        • id35
        • topic_info
        • public_pr1
        • topic_pubEnergy: Forms, Transformation, Transfer, and Conservation
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 43
        • shortES
        • short_pubES
        • topicEvolution & Shared Biochemistry
        • id43
        • topic_info
        • public_pr1
        • topic_pubEvolution & Shared Biochemistry
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 15
        • shortEN
        • short_pubEN
        • topicNatural Selection
        • id15
        • topic_info
        • public_pr0
        • topic_pubEvolution and Natural Selection
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 9
        • shortFM
        • short_pubFM
        • topicForce and Motion
        • id9
        • topic_info<div> <div> <p>This topic centers on Newton&rsquo;s Laws of Motion, and in particular, Newton&rsquo;s 2<sup>nd</sup> Law. Students are expected to apply Newton&rsquo;s 2<sup>nd</sup> Law to a variety of forces and motions.&nbsp; This topic&rsquo;s key ideas are based on benchmarks and standards from Chapter 4, Section F of <i>Benchmarks for Science Literacy </i>(BSL), Chapter 4, Section F of <i>Science for All Americans</i> (SFAA), and Content Standard B of <i>National Science Education Standards</i> (NSES).</p> <br/> </div> </div>
        • public_pr0
        • topic_pubForce and Motion
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 16
        • shortBF
        • short_pubBF
        • topicBasic Functions in Humans
        • id16
        • topic_info
        • public_pr1
        • topic_pubHuman Body Systems
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 11
        • shortID
        • short_pubIE
        • topicInterdependence, Diversity, and Survival
        • id11
        • topic_info<p class="MsoNormal"> </p> <p class="MsoNormal"><font size="3"><span style="font-family: Arial;">Interdependence of Life is about the dynamic interactions between organisms and their living and non-living environment and how changes in the environment affect the survival of individuals and entire populations. The topic describes the interactions among organisms in an ecosystem around obtaining food, reproduction, and protection.<span style="">&nbsp; </span>This topic is treated at the organismal level, not at the substance or molecular level.<span style="">&nbsp; </span>It does not deal with specific external features or internal body plans that organisms use in finding and consuming food, for reproduction, or for their defense and protection. Those ideas are treated under the topic of Evolution and Natural Selection. This topic does not deal with matter and energy transformations that occur in ecosystems (either at the substance or the molecular level), which are covered under the topic of Flow Matter and Energy in Natural Systems.<span style="">&nbsp; </span>The ideas presented here are drawn from the text of Chapter 5 of Science for All Americans, Chapter 5 of Benchmarks for Science Literacy, and from Content Standard C of the National Science Education Standards.<span style="">&nbsp; </span><o:p></o:p></span></font></p> <p class="MsoNormal"><font size="3"><span style="font-size: 12pt; font-family: Arial;"><span style=""> </span><o:p></o:p></span></font></p>
        • public_pr1
        • topic_pubInterdependence in Ecosystems
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 14
        • shortME
        • short_pubME
        • topicMatter and Energy in Living Systems
        • id14
        • topic_info<p>&nbsp;</p> <p> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="ProgId" content="Word.Document"> <meta name="Generator" content="Microsoft Word 10"> <meta name="Originator" content="Microsoft Word 10"> <link rel="File-List" href="file:///C:\DOCUME~1\jroseman.AD\LOCALS~1\Temp\msohtml1\clip_filelist.xml" /><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:Compatibility> <w:BreakWrappedTables /> <w:SnapToGridInCell /> <w:WrapTextWithPunct /> <w:UseAsianBreakRules /> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><style type="text/css"> <!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0in; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} p {mso-margin-top-alt:auto; margin-right:0in; mso-margin-bottom-alt:auto; margin-left:0in; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in; mso-header-margin:.5in; mso-footer-margin:.5in; mso-paper-source:0;} div.Section1 {page:Section1;} --> </style><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} </style> <![endif]--></meta> </meta> </meta> </meta> </p> <p style="margin: 0in 0in 0.0001pt;"><span style="font-family: Arial;">Matter and Energy in Living Systems is about the transformation of matter and energy among living organisms and between them and their physical environment. The topic focuses on the basic chemical reactions involved in making, using, and storing molecules from food and the energy sources and transformations involved in these processes. This topic emphasizes the molecular level but includes items that assess the substance level as well. It does not deal with ideas about the interdependence of living things at the organismal level, which are covered under the topic Interdependence of Life. The ideas presented here are drawn from the text of Chapter 5 of Science for All Americans and Chapter 5, Section E of Benchmarks for Science Literacy and are consistent with both the Life Science Content Statements in the 2009 National Assessment of Education Performance (NAEP) Science Framework and The College Board Science Standards for College Success.</span><o:p></o:p></p>
        • public_pr1
        • topic_pubMatter and Energy in Living Systems
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 25
        • shortMO
        • short_pubMO
        • topicCross-cutting Themes: Models
        • id25
        • topic_info
        • public_pr0
        • topic_pubModels
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id4
      • 27
        • shortPT
        • short_pubPT
        • topicProcesses that shape the earth/Plate Tectonics Version II
        • id27
        • topic_info<p class="MsoNormal"><span style="">Students first learn about motion in the outer layers of the earth in grades 6-8, and the mechanisms and consequences of plate movement are introduced later in grades 9-12. In grades 6-8 students learn that the outermost layer of the earth consists of rigid plates [note: students are not distinguishing between crust and upper mantle], and the plates move over a hot, slightly softened layer of rock. At this level, students also learn that the plates interact with each other as they move, forming mountains where they press together.<span style="">&nbsp; </span>In grades 9-12 students learn more about plate interactions and their consequences, such as earthquakes, and volcanic eruptions. Also addressed in this topic is one causal mechanism for plate movement: circulation within the layer below the plates. <o:p></o:p></span></p>
        • public_pr1
        • topic_pubPlate Tectonics
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id1
      • 12
        • shortRH
        • short_pubRH
        • topicReproduction, Genes, and Heredity
        • id12
        • topic_info
        • public_pr0
        • topic_pubReproduction, Genes, and Heredity
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id2
      • 6
        • shortSC
        • short_pubSC
        • topicSubstances, Chemical Reactions, and Conservation
        • id6
        • topic_info<p><span style="font-size: 11pt;"><span style="font-family: Arial;">This topic deals with characteristic properties of substances, chemical reactions, and conservation of matter. Students are expected to use the idea of characteristic properties to identify substances and to determine if a chemical reaction has occurred by recognizing that a new substance has formed. Students should also be able to use their knowledge of the particulate nature of matter to describe the rearrangement of atoms in chemical reactions and to understand that matter is conserved during various transformations of matter such as chemical reactions, changes of state, and dissolving. Related ideas, as well as ideas that are expected to be taught earlier and later, are included on accompanying assessment maps. The ideas presented here are based on Chapter 4, Section D, of Benchmarks for Science Literacy (BSL) and Physical Science Content Standard B of the National Science Education Standards (NSES) (see Appendix A for specific Benchmarks and Standards).</span></span></p>
        • public_pr1
        • topic_pubSubstances, Chemical Reactions, and Conservation of Matter
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id3
      • 3
        • shortWC
        • short_pubWC
        • topicWeather and Climate I: Basic Elements
        • id3
        • topic_info
        • public_pr1
        • topic_pubWeather and Climate I: Basic Elements
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id1
      • 32
        • shortCL
        • short_pubCL
        • topicWeather and Climate II: Seasonal Differences
        • id32
        • topic_info
        • public_pr1
        • topic_pubWeather and Climate II: Seasonal Differences
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id1
      • 26
        • shortWE
        • short_pubWE
        • topicWeathering, Erosion, and Deposition
        • id26
        • topic_info
        • public_pr1
        • topic_pubWeathering, Erosion, and Deposition
        • public_items1
        • idea_notes(null)
        • item_notes(null)
        • miscon_notes(null)
        • ngss_notes(null)
        • category_id1
    • idea
      • 0
        • Idea
          • id265
          • codeI
          • ideaSimilarities and differences in inherited characteristics of organisms alive today or in the past can be used to infer the relatedness of any two species, changes in species over time, and lines of evolutionary descent.
          • goal_id897
          • topic_id15
          • clarification<p> <i>Students are expected to know that</i>: </p> <ol> <li>The similarities among living things suggest relatedness. </li> <li>The fact that organisms retain some of the inherited characteristics and DNA of their ancestors from many generations ago makes it possible for scientists to identify both recent and past ancestors of those organisms. </li> <li>Inherited characteristics (both internal and external) of species alive today, including their DNA and the proteins needed to carry out basic life functions, can be compared to determine how similar the species are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Inherited characteristics (both internal and external) of species alive today can be compared to the characteristics of species that lived in the past, including their DNA if available and , to determine how similar they are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Some structures that do not seem similar in gross structure and function (e.g. the hand of a human and the front flipper of a whale) may after closer analysis of the detailed anatomy and their DNA sequences be shown to have the same origin. A comparison of these homologous structures and the embryonic structures from which they arise can help to infer lines of evolutionary descent. </li> <li>Many of the same genes code for homologous structures across different species. </li> <li>The relative ages of fossils can be used to help infer lines of evolutionary descent. Relative ages of fossils are determined by their relative positions in the earth's rock layers. </li> <li>Fossils, anatomy, and embryos provide corroborative lines of evidence for common ancestry. DNA underlies the similarities and differences in fossils, anatomy, and embryos. </li> <li>Cladograms and tree diagrams can be used to represent lines of evolutionary descent and to organize hypotheses about the relationships among living things. </li> <li>Evidence for common ancestry across a wide variety of species provides support for the idea that all multi-cellular organisms (including humans) share a common ancestor. Evidence also indicates that life began as single-celled organisms and that complex multi-cellular organisms evolved from them. </li> <li>The similarities and differences in all living organisms are explained by their evolution from common ancestors. </li> <li>Because all organisms share an ancient common ancestor, all organisms, no matter how different they appear to be, have some features in common. </li> </ol> <p> <i>Boundaries</i>: </p> <ol start="1" type="1"> <li>Students are not expected to know about convergent evolution. </li> <li>Students are not expected to know about Archae bacteria and the possible multiple origins of life. </li> <li>Students are not expected to know methods of dating. </li> <li>Students are not expected to know the approximate date of the origin of life or when any particular species or type of organism originated. </li> </ol>
          • complexity
          • public1
          • deleted0
    • idea_id265
    • project_id3
    • projects
      • 1
        • id1
        • titleOriginal Project
        • internal_notes
        • description
        • funder
        • complexity0
        • cluster0
        • multistat0
        • baseline0
        • control0
        • treatment0
        • deleted0
      • 2
        • id2
        • titleASPECt Project
        • internal_notes
        • descriptionThe goal of the Assessing Students' Progress on the Energy Concept (ASPECt) project was to develop a set of three tests that can be used to diagnose what students in grades 4 through 12 know about energy and to monitor their progress along a learning progression. Support materials are provided to help users interpret students' scores to learn more about what energy ideas students do and do not know and what misconceptions they may have.
        • funderThe research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through Grant R305A120138 to the American Association for the Advancement of Science. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.
        • complexity1
        • cluster1
        • multistat0
        • baseline0
        • control0
        • treatment0
        • deleted0
      • 3
        • id3
        • titleEvolution Project
        • internal_notes
        • description
        • funder
        • complexity0
        • cluster0
        • multistat1
        • baseline1
        • control1
        • treatment1
        • deleted0
      • 4
        • id4
        • titleTHSB Project
        • internal_notesThis tab is currently only visible to administrators.
        • descriptionThe Toward High School Biology (THSB) test items were developed to assess middle school students’ understanding of ideas about matter changes that are aligned to learning goals in the NRC Framework for K-12 Science Education and Next Generation Science Standards. The items were developed to evaluate the promise of the Toward High School Biology curriculum unit that is published by NSTA Press (AAAS, 2017). The test items can be used to assess students’ understanding of NGSS ideas, crosscutting concepts, and practices, irrespective of any specific curriculum. <br><br> Development of the test items involved reviewing the relevant NGSS learning goals, including performance expectations, evidence statements, disciplinary core ideas, science practices, and related statements from the NRC Framework. Research on student learning was examined to identify common misconceptions, which were then incorporated into the items as distractors. Items were pilot tested with 532 students from a school district that had adopted NGSS but was not participating in the curriculum study. The pilot test data was used to inform revisions to the items and the selection of the items for the final pre/posttest that was used to measure the effect of the curriculum on student learning gains. <br><br> The test items assess students’ understanding of ideas about chemical reactions at both the substance level and the atomic/molecular level in both simple physical systems and complex biological systems, along with aspects of the science practices of analyzing data, developing and using models, and constructing explanations. The field test of the curriculum unit included 36 multiple choice items, 3 of which also asked students to explain why the answer they chose is correct and the other answer choices are incorrect. Students took the test prior to their having instruction on the targeted ideas and again following instruction. Multiple-choice items, misconceptions assessed, and scoring rubrics for the two-tiered items are provided in this tab.
        • funderThe research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through Grant R305A100714 to the American Association for the Advancement of Science. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.
        • complexity0
        • cluster0
        • multistat1
        • baseline1
        • control0
        • treatment1
        • deleted0
      • 5
        • id5
        • titleMEGA Project
        • internal_notesThis tab is currently only visible to administrators. <br>
        • descriptionThe Matter and Energy for Growth and Activity (MEGA) test items were developed to assess high school students’ understanding of ideas about matter and energy changes and energy transfer that are aligned to learning goals in the NRC Framework for K-12 Science Education and Next Generation Science Standards. The items were developed to evaluate the promise of the Matter and Energy for Growth and Activity curriculum unit that is published by NSTA Press (AAAS, 2020). The test items can be used to assess students’ understanding of NGSS ideas, crosscutting concepts, and practices, irrespective of any specific curriculum. <br><br> Development of the test items involved reviewing the relevant NGSS learning goals, including performance expectations, evidence statements, disciplinary core ideas, science practices, and related statements from the NRC Framework and concepts on energy transfer in the Science College Board Science Standards for College Success (The College Board, 2009). Research on student learning was examined to identify common misconceptions, which were then incorporated into the items as distractors. Items were pilot tested with 1300 students from across the U.S. in school districts that were not participating in the curriculum study and continued to be piloted with each implementation of the unit. The data from pilot testing were used to inform revisions to the items and the selection of the items for the final pre/posttest that was used to measure the effect of the curriculum on student learning gains. <br><br> The test items assess students’ understanding of ideas about matter and energy changes during chemical reactions at both the substance level and the atomic/molecular level in both simple physical systems and complex biological systems, aspects of the crosscutting concept of systems and system models, and aspects of the science practices of analyzing data, developing and using models, and constructing explanations. Multiple-choice items, misconceptions assessed, and scoring rubrics for the constructed-response items are provided in this tab.
        • funderThe research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through Grant R305A150310 to the American Association for the Advancement of Science. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.
        • complexity0
        • cluster0
        • multistat1
        • baseline1
        • control0
        • treatment1
        • deleted0
      • 7
        • id7
        • titleLinguistics Project
        • internal_notesThis tab is currently only visible to administrators.
        • descriptionIn 2014, with funding from the National Science Foundation, we began to investigate which of many possible linguistic and cognitive factors might differentially affect the performance of non-native English-speaking students on science tests when compared to the performance of native English speakers. We had about 1000 test items in our item bank, and we knew whether English was the primary language of the students who had answered those test questions during field testing. The students in the testing sample ranged from 6th to 12th graders. We also knew from our field testing that, on average, the students whose primary language was not English scored about seven percentage points lower than students who said that English was their primary language. The challenge was to identify the factors that could explain that difference. <br><br> We combed the research literature for likely candidates and systematically narrowed the possible item features based on our own statistical analyses. In the end, we were unable to find anything that could reliably explain that seven percentage point difference. None of our cognitive or linguistic measures proved to be statistically significant predictors of the performance of native-English-speakers, English learners, or the difference between them. <br><br> We were left with the conclusion that the most likely explanation for the difference between the scores of the two groups was their understanding of the science content itself and, in turn, their opportunity to learn this content. This conclusion was confirmed toward the end of the project when we administered a sample of the test questions to students in a single school taught by the same teacher where about half of the students were native-English speakers and half were native-Spanish speakers. In this case, where the native-Spanish speakers received the same instruction from the same teacher side-by-side with the native English-speakers, there was no difference in performance. <br><br> Under this tab, you will find a variety of materials from this study. These include: <br><br> • A final technical report of the study, which describes the study and its results in their entirety. <br><br> • A report on a validation study that compared EL and non-EL student performance on two sets of items that had been revised to either make access to the items less or more challenging for EL students. <br><br> • Topic-level summaries that present the data that we collected and analyzed for each of 16 life, physical, and earth science topics. <br><br> • A summary of research that we compiled on the linguistic features that help or hinder EL access to assessment items. <br><br> • Conference presentations made throughout the course of the project
        • funder
        • complexity0
        • cluster0
        • multistat0
        • baseline0
        • control0
        • treatment0
        • deleted0
      • 8
        • id8
        • titleASPECt 3D
        • internal_notes
        • description
        • funder
        • complexity0
        • cluster0
        • multistat0
        • baseline0
        • control0
        • treatment0
        • deleted1
    • ngss_link
      • NgssLink
        • id432
        • sort432
        • codeLS4.A-M.2
        • sectionEvidence of Common Ancestry and Diversity
        • textAnatomical similarities and differences between various organisms living today and between them and organisms in the fossil record, enable the reconstruction of evolutionary history and the inference of lines of evolutionary descent.
        • primaryMS-LS4-2
        • secondaryNone
        • addresshttp://www.nextgenscience.org/dci-arrangement/ms-ls4-biological-evolution-unity-and-diversity
        • deleted0
      • Item
        • 0
          • id5014
          • codeCA14-3
          • ownerjhardcastle
          • text<p> The table below shows the presence or absence of traits in seven different species. </p> <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="width:97px;"> <p style="text-align: center;"> Character </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Frog </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Bird </p> </td> <td style="width:77px;"> <p style="text-align: center;"> Crocodile </p> </td> <td style="width:79px;"> <p style="text-align: center;"> Whale </p> </td> <td style="width:74px;"> <p style="text-align: center;"> Pig </p> </td> <td style="width:80px;"> <p style="text-align: center;"> Gorilla </p> </td> </tr> <tr> <td style="width:97px;"> <p style="text-align: center;"> Blowhole </p> </td> <td style="width:76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:80px;"> <p style="text-align: center;"> &#160; </p> </td> </tr> <tr> <td style="width:97px;"> <p style="text-align: center;"> Body hair </p> </td> <td style="width:76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width:97px;"> <p style="text-align: center;"> Amniotic egg </p> </td> <td style="width:76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width:97px;"> <p style="text-align: center;"> Forelimbs </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width:97px;"> <p style="text-align: center;"> Backbone </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width:97px;"> <p style="text-align: center;"> Holes in Skull </p> </td> <td style="width:76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width:79px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width:80px;"> <p> &#160; </p> </td> </tr> </tbody> </table> <p> &#160; </p> <p> Based only on the traits presented in the table, which organism is probably most distantly related to gorillas? </p> <ol class="itemAnswers" type="A"> <li>Bird </li> <li>Frog </li> <li>Pig </li> <li>Whale </li> </ol>
          • version3
          • titleOrganisms that have fewer traits in common are probably more distantly related than organisms with more traits in common.
          • date2019-05-19 11:13:02
          • topic_id39
          • notesRevised August 2017
          • sourceTable adapted from SEPUP SGI http://sepuplhs.org/high/sgi/index.html
          • attribution
          • answerB
          • answer_typeS
          • response_count4
          • locked0
          • public0
          • contextVertebrate Table
          • deleted0
          • img_support0
          • item_status3011
          • html_check0
          • ngss_notes
          • grade_bandsH
          • scale_score
          • stats_file(null)
          • n_value(null)
          • ItemsNgssLink
            • id1768
            • item_id5014
            • ngss_link_id432
            • deleted0
          • Topic
            • shortCA
            • short_pubCA
            • topicCommon Ancestry
            • id39
            • topic_info
            • public_pr1
            • topic_pubCommon Ancestry
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            • category_id2
          • Project
            • 0
              • id3
              • titleEvolution Project
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              • description
              • funder
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              • multistat1
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            • 0
              • id265
              • ideaSimilarities and differences in inherited characteristics of organisms alive today or in the past can be used to infer the relatedness of any two species, changes in species over time, and lines of evolutionary descent.
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                • id6444
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                • deleted0
        • 1
          • id5015
          • codeCA15-3
          • ownerjhardcastle
          • text<p> The table below shows the presence or absence of traits in seven different species. </p> <table border="1" cellpadding="0" cellspacing="0" style="font-size: 17.3333px;"> <tbody> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Character </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Frog </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Bird </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Crocodile </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Whale </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Pig </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Gorilla </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Blowhole </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> &#160; </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Body hair </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Amniotic egg </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Forelimbs </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Backbone </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Holes in Skull </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p> &#160; </p> </td> </tr> </tbody> </table> <p> &#160; </p> <p> Based only on the traits presented in the table, which organism is most closely related to whales? </p> <ol class="itemAnswers" type="A"> <li>Pigs </li> <li>Birds </li> <li>Gorillas </li> <li>Not enough information is provided </li> </ol>
          • version3
          • titleOrganisms that have more traits in common are probably more closely related than organisms with fewer traits in common.
          • date2019-05-19 11:13:02
          • topic_id39
          • notesRevised August 2017
          • sourceTable adapted from SEPUP SGI http://sepuplhs.org/high/sgi/index.html
          • attribution
          • answerD
          • answer_typeS
          • response_count4
          • locked0
          • public0
          • contextVertebrate Table
          • deleted0
          • img_support0
          • item_status1111
          • html_check0
          • ngss_notesNGSS includes the idea that anatomical similarities and differences can be used to infer lines of evolutionary descent and, by extension, degree of relatedness, but it does not say explicitly that the greater the degree of similarity the more closely organisms are related.
          • grade_bandsH
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          • text<p> The table below shows the presence or absence of traits in seven different species. </p> <table border="1" cellpadding="3" cellspacing="0"> <tbody> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Character </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Frog </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Bird </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Crocodiles </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Whale </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Pig </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Gorilla </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Blowhole </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> &#160; </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Body hair </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Amniotic egg </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Forelimbs </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Backbone </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Holes in Skull </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p> &#160; </p> </td> </tr> </tbody> </table> <p> Which diagram most likely depicts the relationship between birds, crocodiles, and frogs? <strong>Choose the diagram which most likely depicts the relationship between birds, crocodiles, and frogs by clicking its letter at the bottom of the screen.</strong> </p> <p> <img alt="" src="http://flora.p2061.org/items/media/uploads/image/Common_Ancestry/BirdsCrocsFrogs.gif" style="width: 600px; height: 431px;"> </p>
          • version3
          • titleOrganisms that have more traits in common share a more recent common ancestor than organisms with fewer traits in common. (Tree diagram)
          • date2019-05-19 11:13:02
          • topic_id39
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          • text<p> The table below shows the presence or absence of traits in seven different species. </p> <table border="1" cellpadding="3" cellspacing="0"> <tbody> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Character </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Frog </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Bird </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Crocodiles </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Whale </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Pig </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Gorilla </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Blowhole </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> &#160; </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Body hair </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Amniotic egg </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Forelimbs </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Backbone </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Holes in Skull </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p> &#160; </p> </td> </tr> </tbody> </table> <p> Based only on the traits presented in the table, are birds, frogs, or crocodiles, most closely related to pigs? </p> <ol class="itemAnswers" type="A"> <li>Birds </li> <li>Frogs </li> <li>Crocodiles </li> <li>Not enough information </li> </ol>
          • version3
          • titleOrganisms that have more traits in common share a more recent common ancestor than organisms with fewer traits in common.
          • date2019-05-19 11:13:02
          • topic_id39
          • notesRevised August 2017
          • sourceTable adapted from SEPUP SGI http://sepuplhs.org/high/sgi/index.html
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          • text<p> The table below shows the presence or absence of traits in seven different species. </p> <table border="1" cellpadding="3" cellspacing="0"> <tbody> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Character </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Frog </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Bird </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Crocodiles </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Whale </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Pig </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Gorilla </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Blowhole </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> &#160; </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Body hair </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Amniotic egg </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Forelimbs </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Backbone </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 80px;"> <p style="text-align: center;"> Yes </p> </td> </tr> <tr> <td style="width: 97px;"> <p style="text-align: center;"> Holes in Skull </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 76px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 77px;"> <p style="text-align: center;"> Yes </p> </td> <td style="width: 79px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 74px;"> <p style="text-align: center;"> &#160; </p> </td> <td style="width: 80px;"> <p> &#160; </p> </td> </tr> </tbody> </table> <p> There is not enough information in the table to determine which organism is most closely related to whales. What else could help scientists determine which organism is most closely related to whales? </p> <ol class="itemAnswers" type="A"> <li>If fossils of an extinct whale were found that had pig-like hooves </li> <li>If whales and crocodiles both have traits adapted to living underwater </li> <li>If whales, pigs, and gorillas all start to develop pelvic bones as embryos </li> <li>If whales have some genes that are not found in any of the other organisms </li> </ol>
          • version3
          • titleFossils can be used to determine how closely organisms are related.
          • date2019-05-19 11:13:02
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          • notesRevised August 2017 to remove humans
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          • clarification<p> <i>Students are expected to know that:</i> </p> <ol start="1" type="1"> <li>Although many species have undergone little change for many millions of years, and a few appear to have changed very little since the early history of life, most species living today did not exist when life first began on earth. </li> <li>Extinctions have occurred throughout the history of life and continue to occur. </li> <li>Fossils can be used to study the anatomical features of extinct species, and to compare their features with those of existing species. </li> <li>Fossils include the remains of, or impressions left by, organisms that lived in the past and that have been preserved in rock or gradually replaced by rock. </li> <li>If available, DNA can be analyzed to learn about species from the past. </li> <li>Scientists have found similarities and differences among existing species, among extinct species, and between existing and extinct species. </li> <li>Traits can vary between different species and between organisms of the same species. </li> </ol> <p> Students should be able to: </p> <ol> <li>Read a bar graph that shows variation in a trait within a population. </li> </ol> <p> <i>Boundaries</i>: </p> <ol> <li>Students are not expected to know the different kinds of fossils. </li> <li>Students are not expected to know the fossilization process. </li> </ol>
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          • clarification<p> <i>Students are expected to know that:</i> </p> <ol start="1" type="1"> <li>Although many species have undergone little change for many millions of years, and a few appear to have changed very little since the early history of life, most species living today did not exist when life first began on earth. </li> <li>Extinctions have occurred throughout the history of life and continue to occur. </li> <li>Fossils can be used to study the anatomical features of extinct species, and to compare their features with those of existing species. </li> <li>Fossils include the remains of, or impressions left by, organisms that lived in the past and that have been preserved in rock or gradually replaced by rock. </li> <li>If available, DNA can be analyzed to learn about species from the past. </li> <li>Scientists have found similarities and differences among existing species, among extinct species, and between existing and extinct species. </li> <li>Traits can vary between different species and between organisms of the same species. </li> </ol> <p> Students should be able to: </p> <ol> <li>Read a bar graph that shows variation in a trait within a population. </li> </ol> <p> <i>Boundaries</i>: </p> <ol> <li>Students are not expected to know the different kinds of fossils. </li> <li>Students are not expected to know the fossilization process. </li> </ol>
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          • clarification<p> <i>Students are expected to know that:</i> </p> <ol start="1" type="1"> <li>Although many species have undergone little change for many millions of years, and a few appear to have changed very little since the early history of life, most species living today did not exist when life first began on earth. </li> <li>Extinctions have occurred throughout the history of life and continue to occur. </li> <li>Fossils can be used to study the anatomical features of extinct species, and to compare their features with those of existing species. </li> <li>Fossils include the remains of, or impressions left by, organisms that lived in the past and that have been preserved in rock or gradually replaced by rock. </li> <li>If available, DNA can be analyzed to learn about species from the past. </li> <li>Scientists have found similarities and differences among existing species, among extinct species, and between existing and extinct species. </li> <li>Traits can vary between different species and between organisms of the same species. </li> </ol> <p> Students should be able to: </p> <ol> <li>Read a bar graph that shows variation in a trait within a population. </li> </ol> <p> <i>Boundaries</i>: </p> <ol> <li>Students are not expected to know the different kinds of fossils. </li> <li>Students are not expected to know the fossilization process. </li> </ol>
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          • ideaThere are similarities and differences between organisms living today, and between organisms living today and those that lived in the past, both within the same species and between species.
          • goal_id771
          • topic_id15
          • clarification<p> <i>Students are expected to know that:</i> </p> <ol start="1" type="1"> <li>Although many species have undergone little change for many millions of years, and a few appear to have changed very little since the early history of life, most species living today did not exist when life first began on earth. </li> <li>Extinctions have occurred throughout the history of life and continue to occur. </li> <li>Fossils can be used to study the anatomical features of extinct species, and to compare their features with those of existing species. </li> <li>Fossils include the remains of, or impressions left by, organisms that lived in the past and that have been preserved in rock or gradually replaced by rock. </li> <li>If available, DNA can be analyzed to learn about species from the past. </li> <li>Scientists have found similarities and differences among existing species, among extinct species, and between existing and extinct species. </li> <li>Traits can vary between different species and between organisms of the same species. </li> </ol> <p> Students should be able to: </p> <ol> <li>Read a bar graph that shows variation in a trait within a population. </li> </ol> <p> <i>Boundaries</i>: </p> <ol> <li>Students are not expected to know the different kinds of fossils. </li> <li>Students are not expected to know the fossilization process. </li> </ol>
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          • ideaSimilarities and differences in inherited characteristics of organisms alive today or in the past can be used to infer the relatedness of any two species, changes in species over time, and lines of evolutionary descent.
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          • clarification<p> <i>Students are expected to know that</i>: </p> <ol> <li>The similarities among living things suggest relatedness. </li> <li>The fact that organisms retain some of the inherited characteristics and DNA of their ancestors from many generations ago makes it possible for scientists to identify both recent and past ancestors of those organisms. </li> <li>Inherited characteristics (both internal and external) of species alive today, including their DNA and the proteins needed to carry out basic life functions, can be compared to determine how similar the species are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Inherited characteristics (both internal and external) of species alive today can be compared to the characteristics of species that lived in the past, including their DNA if available and , to determine how similar they are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Some structures that do not seem similar in gross structure and function (e.g. the hand of a human and the front flipper of a whale) may after closer analysis of the detailed anatomy and their DNA sequences be shown to have the same origin. A comparison of these homologous structures and the embryonic structures from which they arise can help to infer lines of evolutionary descent. </li> <li>Many of the same genes code for homologous structures across different species. </li> <li>The relative ages of fossils can be used to help infer lines of evolutionary descent. Relative ages of fossils are determined by their relative positions in the earth's rock layers. </li> <li>Fossils, anatomy, and embryos provide corroborative lines of evidence for common ancestry. DNA underlies the similarities and differences in fossils, anatomy, and embryos. </li> <li>Cladograms and tree diagrams can be used to represent lines of evolutionary descent and to organize hypotheses about the relationships among living things. </li> <li>Evidence for common ancestry across a wide variety of species provides support for the idea that all multi-cellular organisms (including humans) share a common ancestor. Evidence also indicates that life began as single-celled organisms and that complex multi-cellular organisms evolved from them. </li> <li>The similarities and differences in all living organisms are explained by their evolution from common ancestors. </li> <li>Because all organisms share an ancient common ancestor, all organisms, no matter how different they appear to be, have some features in common. </li> </ol> <p> <i>Boundaries</i>: </p> <ol start="1" type="1"> <li>Students are not expected to know about convergent evolution. </li> <li>Students are not expected to know about Archae bacteria and the possible multiple origins of life. </li> <li>Students are not expected to know methods of dating. </li> <li>Students are not expected to know the approximate date of the origin of life or when any particular species or type of organism originated. </li> </ol>
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          • ideaSimilarities and differences in inherited characteristics of organisms alive today or in the past can be used to infer the relatedness of any two species, changes in species over time, and lines of evolutionary descent.
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          • topic_id15
          • clarification<p> <i>Students are expected to know that</i>: </p> <ol> <li>The similarities among living things suggest relatedness. </li> <li>The fact that organisms retain some of the inherited characteristics and DNA of their ancestors from many generations ago makes it possible for scientists to identify both recent and past ancestors of those organisms. </li> <li>Inherited characteristics (both internal and external) of species alive today, including their DNA and the proteins needed to carry out basic life functions, can be compared to determine how similar the species are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Inherited characteristics (both internal and external) of species alive today can be compared to the characteristics of species that lived in the past, including their DNA if available and , to determine how similar they are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Some structures that do not seem similar in gross structure and function (e.g. the hand of a human and the front flipper of a whale) may after closer analysis of the detailed anatomy and their DNA sequences be shown to have the same origin. A comparison of these homologous structures and the embryonic structures from which they arise can help to infer lines of evolutionary descent. </li> <li>Many of the same genes code for homologous structures across different species. </li> <li>The relative ages of fossils can be used to help infer lines of evolutionary descent. Relative ages of fossils are determined by their relative positions in the earth's rock layers. </li> <li>Fossils, anatomy, and embryos provide corroborative lines of evidence for common ancestry. DNA underlies the similarities and differences in fossils, anatomy, and embryos. </li> <li>Cladograms and tree diagrams can be used to represent lines of evolutionary descent and to organize hypotheses about the relationships among living things. </li> <li>Evidence for common ancestry across a wide variety of species provides support for the idea that all multi-cellular organisms (including humans) share a common ancestor. Evidence also indicates that life began as single-celled organisms and that complex multi-cellular organisms evolved from them. </li> <li>The similarities and differences in all living organisms are explained by their evolution from common ancestors. </li> <li>Because all organisms share an ancient common ancestor, all organisms, no matter how different they appear to be, have some features in common. </li> </ol> <p> <i>Boundaries</i>: </p> <ol start="1" type="1"> <li>Students are not expected to know about convergent evolution. </li> <li>Students are not expected to know about Archae bacteria and the possible multiple origins of life. </li> <li>Students are not expected to know methods of dating. </li> <li>Students are not expected to know the approximate date of the origin of life or when any particular species or type of organism originated. </li> </ol>
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          • ideaSimilarities and differences in inherited characteristics of organisms alive today or in the past can be used to infer the relatedness of any two species, changes in species over time, and lines of evolutionary descent.
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          • topic_id15
          • clarification<p> <i>Students are expected to know that</i>: </p> <ol> <li>The similarities among living things suggest relatedness. </li> <li>The fact that organisms retain some of the inherited characteristics and DNA of their ancestors from many generations ago makes it possible for scientists to identify both recent and past ancestors of those organisms. </li> <li>Inherited characteristics (both internal and external) of species alive today, including their DNA and the proteins needed to carry out basic life functions, can be compared to determine how similar the species are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Inherited characteristics (both internal and external) of species alive today can be compared to the characteristics of species that lived in the past, including their DNA if available and , to determine how similar they are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Some structures that do not seem similar in gross structure and function (e.g. the hand of a human and the front flipper of a whale) may after closer analysis of the detailed anatomy and their DNA sequences be shown to have the same origin. A comparison of these homologous structures and the embryonic structures from which they arise can help to infer lines of evolutionary descent. </li> <li>Many of the same genes code for homologous structures across different species. </li> <li>The relative ages of fossils can be used to help infer lines of evolutionary descent. Relative ages of fossils are determined by their relative positions in the earth's rock layers. </li> <li>Fossils, anatomy, and embryos provide corroborative lines of evidence for common ancestry. DNA underlies the similarities and differences in fossils, anatomy, and embryos. </li> <li>Cladograms and tree diagrams can be used to represent lines of evolutionary descent and to organize hypotheses about the relationships among living things. </li> <li>Evidence for common ancestry across a wide variety of species provides support for the idea that all multi-cellular organisms (including humans) share a common ancestor. Evidence also indicates that life began as single-celled organisms and that complex multi-cellular organisms evolved from them. </li> <li>The similarities and differences in all living organisms are explained by their evolution from common ancestors. </li> <li>Because all organisms share an ancient common ancestor, all organisms, no matter how different they appear to be, have some features in common. </li> </ol> <p> <i>Boundaries</i>: </p> <ol start="1" type="1"> <li>Students are not expected to know about convergent evolution. </li> <li>Students are not expected to know about Archae bacteria and the possible multiple origins of life. </li> <li>Students are not expected to know methods of dating. </li> <li>Students are not expected to know the approximate date of the origin of life or when any particular species or type of organism originated. </li> </ol>
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          • clarification<p> <i>Students are expected to know that</i>: </p> <ol> <li>The similarities among living things suggest relatedness. </li> <li>The fact that organisms retain some of the inherited characteristics and DNA of their ancestors from many generations ago makes it possible for scientists to identify both recent and past ancestors of those organisms. </li> <li>Inherited characteristics (both internal and external) of species alive today, including their DNA and the proteins needed to carry out basic life functions, can be compared to determine how similar the species are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Inherited characteristics (both internal and external) of species alive today can be compared to the characteristics of species that lived in the past, including their DNA if available and , to determine how similar they are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Some structures that do not seem similar in gross structure and function (e.g. the hand of a human and the front flipper of a whale) may after closer analysis of the detailed anatomy and their DNA sequences be shown to have the same origin. A comparison of these homologous structures and the embryonic structures from which they arise can help to infer lines of evolutionary descent. </li> <li>Many of the same genes code for homologous structures across different species. </li> <li>The relative ages of fossils can be used to help infer lines of evolutionary descent. Relative ages of fossils are determined by their relative positions in the earth's rock layers. </li> <li>Fossils, anatomy, and embryos provide corroborative lines of evidence for common ancestry. DNA underlies the similarities and differences in fossils, anatomy, and embryos. </li> <li>Cladograms and tree diagrams can be used to represent lines of evolutionary descent and to organize hypotheses about the relationships among living things. </li> <li>Evidence for common ancestry across a wide variety of species provides support for the idea that all multi-cellular organisms (including humans) share a common ancestor. Evidence also indicates that life began as single-celled organisms and that complex multi-cellular organisms evolved from them. </li> <li>The similarities and differences in all living organisms are explained by their evolution from common ancestors. </li> <li>Because all organisms share an ancient common ancestor, all organisms, no matter how different they appear to be, have some features in common. </li> </ol> <p> <i>Boundaries</i>: </p> <ol start="1" type="1"> <li>Students are not expected to know about convergent evolution. </li> <li>Students are not expected to know about Archae bacteria and the possible multiple origins of life. </li> <li>Students are not expected to know methods of dating. </li> <li>Students are not expected to know the approximate date of the origin of life or when any particular species or type of organism originated. </li> </ol>
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          • ideaSimilarities and differences in inherited characteristics of organisms alive today or in the past can be used to infer the relatedness of any two species, changes in species over time, and lines of evolutionary descent.
          • goal_id897
          • topic_id15
          • clarification<p> <i>Students are expected to know that</i>: </p> <ol> <li>The similarities among living things suggest relatedness. </li> <li>The fact that organisms retain some of the inherited characteristics and DNA of their ancestors from many generations ago makes it possible for scientists to identify both recent and past ancestors of those organisms. </li> <li>Inherited characteristics (both internal and external) of species alive today, including their DNA and the proteins needed to carry out basic life functions, can be compared to determine how similar the species are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Inherited characteristics (both internal and external) of species alive today can be compared to the characteristics of species that lived in the past, including their DNA if available and , to determine how similar they are. Organisms with more similarities are usually more closely related to each other than organisms with fewer similarities, i.e., organisms that have more similarities tend to have a more recent common ancestor than those with fewer similarities. </li> <li>Some structures that do not seem similar in gross structure and function (e.g. the hand of a human and the front flipper of a whale) may after closer analysis of the detailed anatomy and their DNA sequences be shown to have the same origin. A comparison of these homologous structures and the embryonic structures from which they arise can help to infer lines of evolutionary descent. </li> <li>Many of the same genes code for homologous structures across different species. </li> <li>The relative ages of fossils can be used to help infer lines of evolutionary descent. Relative ages of fossils are determined by their relative positions in the earth's rock layers. </li> <li>Fossils, anatomy, and embryos provide corroborative lines of evidence for common ancestry. DNA underlies the similarities and differences in fossils, anatomy, and embryos. </li> <li>Cladograms and tree diagrams can be used to represent lines of evolutionary descent and to organize hypotheses about the relationships among living things. </li> <li>Evidence for common ancestry across a wide variety of species provides support for the idea that all multi-cellular organisms (including humans) share a common ancestor. Evidence also indicates that life began as single-celled organisms and that complex multi-cellular organisms evolved from them. </li> <li>The similarities and differences in all living organisms are explained by their evolution from common ancestors. </li> <li>Because all organisms share an ancient common ancestor, all organisms, no matter how different they appear to be, have some features in common. </li> </ol> <p> <i>Boundaries</i>: </p> <ol start="1" type="1"> <li>Students are not expected to know about convergent evolution. </li> <li>Students are not expected to know about Archae bacteria and the possible multiple origins of life. </li> <li>Students are not expected to know methods of dating. </li> <li>Students are not expected to know the approximate date of the origin of life or when any particular species or type of organism originated. </li> </ol>
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          • text<p> <span style="font-size: 12pt;"><span style="font-family: Times New Roman;">Fossils can be used for which of the following?</span></span> </p> <ol type="A"> <li> <span style="font-size: 12pt;"><span style="font-family: Times New Roman;">To study the anatomical features of extinct species and to compare the features of the extinct species with those of existing species.</span></span> </li> <li> <span style="font-size: 12pt;"><span style="font-family: Times New Roman;">To study the anatomical features of extinct species, but not to compare the features of extinct species with those of existing species.</span></span> </li> <li> <span style="font-size: 12pt;"><span style="font-family: Times New Roman;">To compare the features of extinct species with those of existing species, but not to study the anatomical features of extinct species.</span></span> </li> <li> <span style="font-size: 12pt;"><span style="font-family: Times New Roman;">Neither to compare the features of extinct species with those of existing species nor to study the anatomical feature of extinct species.</span></span> </li> </ol>
          • version1
          • titleFossils can be used to study the anatomical features of extinct species and to compare the features of extinct species with those of existing species.
          • date2019-05-19 11:13:02
          • topic_id15
          • notesApproved for field testing 2-3-10
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              • ideaThere are similarities and differences between organisms living today, and between organisms living today and those that lived in the past, both within the same species and between species.
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          • text<p> <span style="font-size: 12pt;">A scientist finds some fossils of an extinct species of fish. Which of the following could he do by studying the fossils?</span> </p> <ol type="A"> <li> <span style="font-size: 12pt;">He could discover what anatomical features the extinct species had, and he could discover similarities and differences between the features of the extinct fish and those of currently existing fish.</span> </li> <li> <span style="font-size: 12pt;">He could discover what anatomical features the extinct species had, but he could not discover any similarities and differences between the features of the extinct fish and those of currently existing fish.</span> </li> <li> <span style="font-size: 12pt;">He could discover similarities and differences between the features of the extinct fish and those of currently existing fish, but he could not discover what anatomical features the extinct species had.</span> </li> <li> <span style="font-size: 12pt;">He could neither discover similarities and differences between the features of the extinct fish and those of currently existing fish, nor could he discover what anatomical features the extinct species had.</span> </li> </ol>
          • version1
          • titleA scientist studying the fossils of an extinct species of fish could discover what anatomical features the extinct species had, and he could discover similarities and differences between the features of the extinct fish and those of currently existing fish.
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              • ideaThere are similarities and differences between organisms living today, and between organisms living today and those that lived in the past, both within the same species and between species.
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          • text<p> <span style="font-size: 12pt;">Which of the following have scientists found when they have compared extinct and existing species?</span> </p> <ol type="A"> <li> <span style="font-size: 12pt;">They have found similarities and they have found differences.</span> </li> <li> <span style="font-size: 12pt;">They have found similarities, but they have not found differences.</span> </li> <li> <span style="font-size: 12pt;">They have found differences, but they have not found similarities.</span> </li> <li> <span style="font-size: 12pt;">There is no way to compare extinct and existing species.</span> </li> </ol>
          • version1
          • titleThere are both similarities and differences between extinct and existing species.
          • date2019-05-19 11:13:02
          • topic_id15
          • notesApproved for field testing 2-3-10
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          • text<p> A scientist finds some fossils of an extinct species of fish. Which of the following could he do by studying the fossils? </p> <ol class="itemAnswers" type="A"> <li>He could discover what anatomical features the extinct species had, and he could discover similarities and differences between the features of the extinct fish and those of currently existing fish. </li> <li>He could discover what anatomical features the extinct species had, but he could not discover any similarities and differences between the features of the extinct fish and those of currently existing fish. </li> <li>He could discover similarities and differences between the features of the extinct fish and those of currently existing fish, but he could not discover what anatomical features the extinct species had. </li> <li>He could neither discover similarities and differences between the features of the extinct fish and those of currently existing fish, nor could he discover what anatomical features the extinct species had. </li> </ol>
          • version2
          • titleA scientist studying the fossils of an extinct species of fish could discover what anatomical features the extinct species had, and he could discover similarities and differences between the features of the extinct fish and those of currently existing fish.
          • date2019-05-19 11:13:02
          • topic_id15
          • notesEdited 08/2016
          • sourceJCF/GDB/JER
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          • answerA
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          • contextFossil of Extinct Fish
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    • meta
      • descriptionNGSS Link LS4.A-M.2: There are similarities and differences between organisms living today, and between organisms living today and those that lived in the past, both within the same species and between species.
    • title_for_layoutTopics ~ Evolution and Natural Selection ~ NGSS Link LS4.A-M.2
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