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Which of the following statements is TRUE about the evolution of plants and animals?

  1. All plants and all animals share a common ancestor with each other.
  2. All plants share a common ancestor, but all animals do not share a common ancestor.
  3. All animals share a common ancestor, but all plants do not share a common ancestor.
  4. No plants share a common ancestor with each other, no animals share a common ancestor with each other, and no plants share a common ancestor with any animals. 
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 3094
6–8
n = 1837
9–12
n = 1257
Male
n = 1494
Female
n = 1525
English
n = 2770
Other
n = 235
A. 32% 29% 36% 31% 32% 32% 28%
B. 26% 26% 25% 25% 26% 25% 28%
C. 22% 24% 20% 23% 22% 23% 22%
D. 20% 21% 19% 21% 20% 20% 22%