Unknown Story
Updated: 12/18/2019
Unknown Story
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Storyboard Text

  • This is Hummy the hummingbird and all her siblings. As you can see, Hummy looks different than a few of her siblings, showing the variation in this particular population of hummingbirds. This variation is due to natural selection.
  • A long time ago Hummy's father lived in harmony with all his hummingbird friends who all had the same traits as him. All of a sudden, Hummy's mom got separated from her population and encountered her father's population.
  • Hummy's mother has a much longer and skinnier beak than Hummy's father. Because the length of beaks is heritable, when they bread together, heritability passed down long, skinny beaks to 50% of their offspring, and short, stubby beaks to the other 50%. Hummy was born with a long skinny beak.
  • Having a long beak serves as a reproductive advantage because it makes sucking the nectar from flowers a lot easier and faster than with a short stubby beak
  • Because these hummingbirds adapted long beaks through natural selection, they adapted better to their food source in their environment and thrived.
  • Hummy and her family thrive in the forest and live in harmony with their hummingbird population.
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