This question vexed Darwin. Has domestication caused evolutionary changes in the ears of pets and livestock? The neural crest cell theory suggests one possible answer. [3:35]

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Concepts

evolution

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domestication syndrome, neural crest cells, neural crest hypothesis, ms-ls4-2, npr, npr videos: skunk bear: why dogs have floppy ears: an animated tale, npr videos: skunk bear: why dogs have floppy ears: an animated tale / ohio env.es.1.a, national public radio, ohio env.es.1.a

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Classroom Considerations

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