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Explain why genetic variation is necessary for natural selection to occur. Include an explanation of how it affects individuals' likelihood of surviving and reproducing.
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Explain why genetic variation is necessary for natural selection to occur. Include an explanation of how it affects individuals' likelihood of surviving and reproducing.

User Sachin Hosmani
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Answer:

Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by: mutation

Step-by-step explanation:

User Contentclown
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