Bigant1871 Bigant1871
  • 21-06-2017
  • Biology
contestada

Which one of the following criteria is necessary for natural selection to occur

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breedlovekat
breedlovekat breedlovekat
  • 21-06-2017
you need to put the answer choices because there is a lot that makes natural selection occur. but without the answer choices i would say a fertile female and made of reproductive age.
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Prettigirlcrazi95
Prettigirlcrazi95 Prettigirlcrazi95
  • 23-03-2019

A struggle for existence is apparent.

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