Evidence of Evolution: Darwin's Theory — Test

Question 1

Scientists notice structural similarities between fossils of a land animal and an aquatic organism. They know the similarities are not a result of the two organisms having to adapt to similar environments. What can they attribute the structural similarities to?

Revolt · Accepted Answer

common ancestry

Question 2

Which of these is an example of reproductive isolation?

Revolt · Accepted Answer

two populations of finches that cannot produce viable offspring

Question 3

A fossilized fish is found that has jaws but no true bones. Where does this fossil belong on the cladogram?

Revolt · Accepted Answer

B

Question 4

Which of Charles Darwin’s main points is depicted in the image?

Revolt · Accepted Answer

Organisms within a population compete with each other to survive.

Question 5

Which statement is a valid claim that could be made using the data in the graph?

Revolt · Accepted Answer

Stabilizing selection is occurring because the average is favored.

Evidence of Evolution: Darwin's Theory — Test Answers

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