Lecture3WEF - Two Competing Schools MENDELIANS Discrete...

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Two Competing Schools MENDELIANS Discrete differences Natural selection dominant BIOMETRICIANS Continuous Variation Small differences
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Modern Synthesis Reconciliation – NEO-DARWINISM 1) All biometrician results explained by Mendelian Genetics (Fisher, 1918) 2) Incorporated Natural Selection into Mendelian Genetics (Fisher, Haldane, and Wright) 3) Acceptance that Macroevolution (speciation) is cumulative effect of Microevolution
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But—controversies! 1) Neutral Theory of Evolution—Mitoo Kimura 2) Adaptationists—group selection 3) Others—punctuated equilibrium, species selection
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The Economy of Nature Sixth Edition Robert E. Ricklefs © 2010 W. H. Freeman and Company CHAPTER 2 Adaptations to the Physical Environment: Water and Nutrients
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ADAPTATIONS TO THE PHYSICAL ENVIRONMENT: WATER AND NUTRIENTS Examples of limits of the physical environment Properties of water support and constrain organisms, and direct evolution Sperm whale Weddell seal Adélie penguin
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This note was uploaded on 02/03/2012 for the course BIOL 301 taught by Professor Friedman during the Spring '10 term at South Carolina.

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Lecture3WEF - Two Competing Schools MENDELIANS Discrete...

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