Charles Darwin's Theory of Evolution

The words and phrases in this crossword puzzle revolve around Darwin's theory.

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10

Across

4. A famous book about Evolution

8. Off of South America

9. The man who created the theory of evolution

10. Changes from generation to generation

Down

1. A friend of Darwin

2. A bird

3. Changes to the frequency of alleles in a gene pool

5. The process when a specie adapts to the environment

6. Changes to DNA that allow genetic drift

7. A specific group that has common characteristics

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