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  • Principal #1: Genetic Variation shows here in this picture that the snakes are different colors some are light brown and some are dark brown and the one that blends in more is the lighter snakes.
  • Principal #2: Overproduction and the struggle for existence Snakes will always produce more offspring than the environment can support and not all will survive.
  • Principal #3: Differential Survival and Reproduction The darker brown snakes are easier for the hawks to notice than the lighter snakes that camouflage with the sand.
  • Principal #4: Change in Gene Pool  The organisms that best camouflaged got to produce more offspring however the one that didn't which were the darker snakes did not reproduce anymore. 
  • Those are the 4 principals of 
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