Natural Selection

Natural Selection

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Storyboard Text

  • Genetic Variation
  • Over production and Struggle to survive
  • Differential Survival and Reproduction
  • There's a population of caterpillars.Some are brown the other were yellow.
  • Changes in the gene pool
  • The yellow caterpillars are struggling to survive because the birds can see them which leaves the brown caterpillars to reproduce.
  • The brown caterpillars will survive in this environment to pass on its traits to the next generation.
  • Overtime the environment will only have brown caterpillars. The gene pool will only produce brown caterpillars.
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