Summary of darwins theory because more organisms are

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Unformatted text preview: oduce. Summary of Darwin's Theory Because more organisms are produced than can survive, each species must struggle for resources Each organism is unique, each has advantages and disadvantages in the struggle for existence Summary (cont.) Individuals best suited for the environment survive and reproduce most successful Species change over time Summary (cont.) Species alive today descended with modification from species that lived in the past All organisms on earth are united into a single family tree of life by common descent...
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This document was uploaded on 03/13/2014 for the course SCIENCE Biology at Beavercreek High School.

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