Item EN015002: Scientists can use both fossils and DNA to study organisms that lived in the past.

Which of the following do scientists use to learn about organisms that lived many years ago but are no longer alive today?

  1. Fossils of organisms that lived many years ago, and DNA from the remains of organisms that lived many years ago.
  2. Fossils of organisms that lived many years ago, but not DNA from the remains of organisms that lived many years ago.
  3. DNA from the remains of organisms that lived many years ago, but not fossils of organisms that lived many years ago.
  4. Scientists have no way to learn anything about organisms that lived many years ago but are no longer alive today.

Distribution of Responses

Chart showing distrubtion of responses for Item EN015002

Percent of students responding correctly

Overall59%
Grades 6–858%
Grades 9–1260%
Male58%
Female60%
Primary Language is English60%
Primary Language is not English52%

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