Darwin’s theory Flashcards by Annchen Jones

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Q

What causes genetic variation?

A

Mutations and sexual reproduction.

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Q

How do adaptations help organisms survive?

A

They improve an organism’s chance of survival and reproduction in its environment.

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Q

How does natural selection allow species to survive in changing conditions?

A

The fittest individuals survive and pass on their traits.

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Q

How can natural selection lead to new species?

A

Over time, accumulated changes can make populations so different that they become new species.

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Q

How does the development of resistance in organisms support Darwin’s theory?

A

It shows that organisms with beneficial mutations survive and reproduce.

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