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Published byVerawati Sudjarwadi Modified over 6 years ago
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Sahelanthropus tchadensis
“toumai child” 6-7 MYA Chad
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Ardepithecus ramidus 5.8 – 4.4 MYA Ethiopia
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Australopithecines Genus Australopithecus Slender (“gracile”) forms
A. africanus, A. afarensis Robust forms A. robustus, A. boisei, A. aethopicus
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A. africanus South Africa 3 – 2 mya “slender” type
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A. afarensis Slender form “lucy” East Africa ~3mya
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A. robustus Robust form Olduvai gorge 1.8 mya
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Genus Homo Characteristics of the genus
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Homo habilis 2.0 – 1.9 mya Brain size 775 cc Omnivore Olduvai gorge
Speech centers Omnivore Olduvai gorge
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H. habilis (cont.)
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H. erectus Java mya Brain cc
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H. erectus (cont) Extensive tool use Fire Dispersed into Europe and Asia
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H. neanderthalensis 200k bp Neander valley 1450 cc
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H. sapiens Cromagnon man k bp ~1360 cc Culture
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Timeline of Homonid evolution
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Note on human variability
Ethnic - of or relating to large groups of people classed according to common racial, national, tribal, religious, linguistic, or cultural origin or background. Lewontin – 17 genes, 7 ethnic groups Morphological differences not adaptive Genetic variation a b c d …
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