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Evolution - PowerPoint PPT Presentation

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Evolution

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A Giraffe has a long neck because its ancestors used its neck to reach food. Based on Lamarck's theory, the Giraffe of the future will have an even longer ... – PowerPoint PPT presentation

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Date added: 19 August 2009
Slides: 23
Added by: Username withheld or not provided
Learn more at: http://www.cs.rochester.edu
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