natural selection

natural selection
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  • The snakes are only one type of allele.
  • A change happens in mutation and one of the snakes is a lighter color than the other snakes.
  • An eagle flies by and easily sees the lighter color snake because of its variation.
  • Then an environmental change happened and now the darker color of snakes don't camouflage anymore.
  • The eagle now starts eating the darker colored snakes because they're more visible while the other green snakes are not.
  • The darker color snakes got eaten because they were more vulnerable to predators. The mutated snakes are now the surviving ones.
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