natural selection

natural selection

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  • principle #1 genetic variation: the genetic variation is   snakes that blend in t he environment and ones that don't. 
  • principle #2 overproduction & the struggle  for existence overproduction they will produce 3 snakes but only 2 will make it struggle to survive green snakes stick out to much and will get eaten
  • principle #3 differential survival & reproduction the brown snakes camouflage to the grown and wont get see and thats makes them live longer and produce 
  • Principle #4  change in gene pool there will be more brown snakes  and the population will change overtime
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