Updated: 2/7/2020
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Storyboard Text

  • A normal environment with one species of bird.
  • It starts to downpour because of irregular weather patterns.
  • A river forms which separates the land.
  • The birds are separated by the river, one side of the river doesn't have as many trees now.
  • Isolation Mechanism (Geographic): The river has separated the birds. The birds not near the trees have to evolve to survive without the trees into another type of bird. 
  • The river increases in size and the birds keep on evolving until they are two difference species and they reproduce separately.
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