Natural Selection

Natural Selection

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  • Principle #1- Genetic Variation  Variation exists in rabbit species. Some are dark brown, and some are light brown.                                                                  
  • Principle #2- Overproduction and the Struggle for Existences Rabbits will always produce more than the environment can handle, not all of them will survive. 
  • Principle #3- Differential Survival and Reproduction Because the light rabbits are easier to be spotted by the wolf, the dark rabbits camouflage well. 
  • Principle #3- Differential Survival and Reproduction   Because the dark rabbits can camouflage well, they survive long enough to reproduce. 
  • Principle #4- Changes in Gene Pool Because the rabbits have higher fitness, over time the frequency of the dark brown allele will increase in the gene pool.
  • and that's Nautral Selection. 
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