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Unformatted text preview: Australipithecus ("southern ape") and the genus Homo Factors associated with larger relative brain size in contemporary species: 1.Complex environment a.Distribution of food:fruit eaters > leaf eaters carnivores > herbivores b.Type of habitat: above-ground > burrowing animals 2.Reliance on memory: food-storing species > non-food-storing Fossil evidence shows that the genus Homo originated in Africa Genetic data also suggests African origins; mitochondria DNA variation suggests common female ancestor 0.2-1.0 million years ago Human genetics reveals patterns of diversification due to the micro-evolutionary principles of gene flow, drift, and selection....
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This note was uploaded on 01/20/2010 for the course BIOL 1001 taught by Professor Fall during the Fall '08 term at Minnesota.
- Fall '08