hominid_diversity_b[1] - 1 Early hominid diversity II...

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Sheet1 Page 1 1 Early hominid diversity II I.Dating techniques II. Derived traits of early Homo III. Homo habilis A. Olduvai Gorge, OH 7 B. Koobi Fora, KNM ER 1470 IV. Early Homo species diversity A. Homo rudolfensis V. Homo habilis or Australopithecus habilis? VI. Alternative phylogenies A. Hypothesis 1. Geographic variation accounts for morphological variation B. Hypothesis 2. Australopithecus africanus as a direct ancestor C. Hypothesis 3. A more complex phylogeny Time line of early human evolution (p. 274) Radiometric dating Laetoli hominids Radiometric dating Ratio of parent to daughter atoms = 1/4 = (1/2)2 2 half-lives, 2 my Relative dating techniques R 2 Time line of early human evolution (p. 274) Derived traits of early Homo 1. Large brains 2. Small teeth, thin enamel, parabolic dental arcade 3. Rounded skulls, small, less prognathic face, reduced jaw musculature Homo habilis Gorge, Tanzania Homo habilis biped large brain (50% larger than A.
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This note was uploaded on 04/04/2008 for the course ANTHRBIO 161 taught by Professor Mitani during the Spring '08 term at University of Michigan.

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hominid_diversity_b[1] - 1 Early hominid diversity II...

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