Natural Selection
Updated: 12/16/2019
Natural Selection
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Storyboard Text

  • Overpopulation
  • Variation
  • Mating
  • In peacocks there are males and females and the females are attracted to the colorful tails and the bigger tails.
  • heritable
  • There are males with smaller tails and are less colorful or there are ones with bigger tails and more colorful tails.
  • Reproductive Value
  • The females are more attracted to the big colorful birds.
  • Finally
  • The trait passes down from each generation so if you mate with a male with colorful feathers and big tails your children will have those traits too.
  • The males with small tails and less colorful tails do not mate and therefore there genes are limited causing it to go extinct.
  • The birds with less colorful feathers go extinct because they could not pass down their genes causing natural selection.
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