Natural selection Flashcards

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1
Q

What is natural selection?

A

Natural selection is the survival of the fittest.

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2
Q

Why does genetic variation occur?

A

Genetic variation occurs because of the differences in alleles. New alleles rise through mutations.

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3
Q

What happens to the organisms that are better adapted to the selection they were given?

A

They have a better chance of survival.

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