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Grades

9-12

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Auditory, Visual

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Stream Only


Part of

Evolution Series

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Evolution of the Eye

Zoologist Dan-Erik Nilsson demonstrates how the complex human eye could have evolved through natural selection acting on small variations. Starting with a simple patch of light sensitive cells, Nilsson's model "evolvesquot; until a clear image is produced. Examples of organisms that still use the intermediary forms of vision are also shown. From Evolution: "Darwin's Dangerous Idea."

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