Chapter 9.2 Natural Selection and Adaptation

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Who developed the theory of evolution by natural selection?

Back

Charles Darwin

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Why were the finches on the Galapagos Islands so different even though they were in the same islands?

Back

They lived in different environments.

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Front

Why were the finches collected by Darwin considered different species?

Back

they had different beaks.

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Do true finches from Galapagos Islands migrate every winter?

Back

No, they do not migrate every winter.

Front

What is an archipelago?

Back

a group of islands.

Front

What is Darwin’s theory of evolution by natural selection?

Back

organisms with traits best suited to their environment are most likely to survive and reproduce.

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How does a variation become a trait?

Back

As more and more offspring are born with it.

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Adaptation

Back

it is an inherited trait that increases an organism’s change of surviving and reproducing in a particular environment.

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How does variation begin?

Back

It begins with a mutation.

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Who is the ancestor for dogs? Options: panther, wild cat, wolf, coyote

Back

wolf

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