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Pbs Learning Media: Finch Beak Data Sheet [Pdf]

Curated by ACT

This graphic from Ecology and Evolution of Darwin's Finches by Peter Grant presents data from the Galapagos Islands, showing that a severe drought put selective pressure on the population of Darwin's finches and resulted in a change in the average beak size in the next generation.

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Concepts
evolution, heredity, natural selection
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Additional Tags
finches, grants finch study, pbs learningmedia: finch beak data sheet, teachers' domain, wgbh
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information