biointeractive
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207万 回視聴 ・ 10102いいね ・ 2014/08/26
The Galápagos finches remain one of our world’s greatest examples of adaptive radiation. Watch as evolutionary biologists Rosemary and Peter Grant detail their 40-year project to painstakingly document the evolution of these famous finches. Their pioneering studies have revealed clues as to how 13 distinct finch species arose from a single ancestral population that migrated to the islands 2 million to 3 million years ago.
Use this video as a supplementary resource for lesson plans centered on teaching evolution. The video expertly illustrates the effects of natural selection on Galápagos finch populations.
Free classroom resources supporting this short film can be found at www.hhmi.org/biointeractive/origin-species-beak-fi…
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