Item EN032002: Species can change over generations because individuals with traits that are helpful in the current environment are more likely to survive and pass those traits on to their offspring.

Could individuals of a species look different today than individuals of the same species did many generations ago? Why or why not?

  1. Yes, all individuals can change a little and pass those changes on to their offspring.
  2. Yes, some individuals can change a little and pass those changes on to their offspring.
  3. Yes, some individuals with certain traits are more likely to survive and pass those traits on to their offspring.
  4. No, species do not change even after many generations, so individuals of the same species would not look different. 

Distribution of Responses

Chart showing distrubtion of responses for Item EN032002

Percent of students responding correctly

Overall23%
Grades 6–820%
Grades 9–1229%
Male23%
Female22%
Primary Language is English23%
Primary Language is not English27%

View data table