Question

Biology Unit 7 Lesson 2 Natural Selection Over Time Quick Check Answers

1. Which statement is true?
Answer - Epigenetic changes cannot be explained by DNA structure, but genetic changes can.

2. Which animal trait was Darwin’s theory of natural selection based on?
Answer - beak morphology of Galápagos finches

3. What is most likely to happen if predators are introduced to an ecosystem with no known predators?
Answer - A decrease in species abundance.

4. Which representation of data visualizes potential relationships between variables?
Answer - a graph

5. How did Drs. Peter and Mary Grant verify Darwin’s theory of natural selection?
Answer - by making observations over a long period of time

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Answer 1

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Answer 2

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Answer 3

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