7._Primate_Past - Primate beginnings When Did the First...

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Primate beginnings When Did the First Primates Appear, and What Were They Like? When Did the First Monkeys and Apes Appear, and What Were They Like? What Group of Primates Gave Rise to the Human Line of Evolution?
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Primate evolution Primate origins began in the placental mammal radiation 65 m.y.a. Cenozoic era is the Age of Mammals It was a time of rapid habitat change
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Hominoid & Hominid Hominoids Apes (chimpanzees, bonobos, gorillas, orangutans, gibbons, and siamangs) and humans (fossil & living) Hominid Humans only (fossil & living)
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Cenozoic Era Divided into two periods: Tertiary and Quaternary
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Tertiary and Quaternary Divided into 7 epochs: Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene and Holocene.
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Paleocene Insectivores Rodent like Terrestrial No true primates Paleocene Eocene Oligocene Miocene Pliocene Pleistocene 65 55 34 23 5 2 .01
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Paleocene Primates Paleocene primates Plesiadapiformes Small, squirrel-like extinct mammals Earliest forms Arise about 60 million years ago as part of the great Paleocene adaptive radiation of mammals Paleocene Eocene Oligocene Miocene Pliocene Pleistocene 65 55 34 23 5 2 .01
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Eocene The earliest undoubted primates appear in the Eocene epoch Paleocene Eocene Oligocene Miocene Pliocene Pleistocene 65 55 34 23 5 2 .01
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Eocene Primates Adapidae Extinct family of lemur-like primates
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