B1510F07_L7EvolHighlights_skeleton

B1510F07_L7EvolHighl - Georgia Tech School of Biology Biology 1510 Fall 2007 Georgia Tech School of Biology Biology 1510 Fall 2007 Georgia Tech

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Biology 1510 Georgia Tech School of Biology Fall 2007
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Biology 1510 Georgia Tech School of Biology Fall 2007
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Biology 1510 Georgia Tech School of Biology Fall 2007 Hutton’s Unconformity
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Biology 1510 Georgia Tech School of Biology Fall 2007 1. Individuals vary in phenotype, even among close relatives such as siblings 2. Some of this phenotypic variance is due to genetic variance 3. There is a struggle for existence and some phenotypes are better suited to prevailing conditions than others The result: Adaptation – the increase in frequency of well-adapted phenotypes within the population over time Evolution by Natural Selection
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Biology 1510 Georgia Tech School of Biology Fall 2007 Basic Mechanics of Evolution Excess production Populations tend to increase exponentially when most/all offspring survive to adulthood. But most populations are relatively stable in size, so mortality must be important. Genetic variation
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This note was uploaded on 05/16/2011 for the course BIOLOGY 1510 taught by Professor Lockrogers during the Fall '07 term at Georgia Institute of Technology.

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B1510F07_L7EvolHighl - Georgia Tech School of Biology Biology 1510 Fall 2007 Georgia Tech School of Biology Biology 1510 Fall 2007 Georgia Tech

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