ricegumisbae ricegumisbae
  • 01-06-2017
  • Biology
contestada

What three factors are needed for natural selection to occur? (Check all that apply) 
a. isolation 
b.variation
c.overpopulation
d.adaption

Respuesta :

evanharris526 evanharris526
  • 01-06-2017
The answers are isolation, adaptation, and overpopulation and if I'm wrong then switch isolation with variation.

Hope that helps.
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