Kat-primate origins-final

Kat-primate origins-final - Early Primates Vertebrate life...

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Unformatted text preview: Early Primates Vertebrate life history 3 eras Paleozoic ancient life fishes, amphibians and primitive reptiles Mesozoic middle life reptiles, dinosaurs Cenozoic recent life birds and mammals Cenozoic Geological Epochs Years Ago Primates Paleocene 65 mya Archaic primates (Dental primates) Plesiadapis Eocene 55 mya Primates of modern aspect Adapid Oligocene 35 mya First anthropoids Aegyptopithecus Miocene 22.5 mya Radiation of apes Proconsul, Sivapithecus Pliocene 5 mya First hominids Australopithecus Pleistocene 1.8 mya Earliest representative of Homo Holocene 10,000 ya Modern humans Homo sapiens Theories Arboreal- Sight over smell- Grasping hands/feet Visual Predation- binocular vision- food capture Distribution http://www.hometown.aol.com/scipage/images/laurasia.gif Today: Western North America Western Europe Asia Africa Plesiadapis http://www.paleocene-mammals.de/primates.htm- Dental Primate- Hypocone- No other primate traits- 75 species- N. America, Europe, Asia, Tooth evolution...
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Kat-primate origins-final - Early Primates Vertebrate life...

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