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Unformatted text preview: is. What percent of Americans think the Sun goes around the Earth? Evolution: Biology’s Chief Unifying Principle • Evolution is the gradual modification of populations of living organisms over time. • Shapes/appearance of species. • Why is it this way?...
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This note was uploaded on 02/25/2012 for the course BIO 1421 taught by Professor Farr during the Fall '08 term at Texas State.
- Fall '08