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        9-12

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        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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