31-Primates_Lemurs _Monkeys_ Apes

31-Primates_Lemurs _Monkeys_ Apes - Primates Our Nearest...

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Primates Lemurs, Monkeys and Apes Our Nearest Animal Relatives Lemurs, Monkeys and Apes
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Primates PROSIMIANS (“Pre-Monkeys”) Lemurs Tarsiers ANTHROPOIDS (“Human-like”) New World Monkeys Old World Anthropoids Old World Monkeys Hominoids Great Apes Hominids Australopithecines Humans ( Homo ) 7,000,000
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Primate Distribution
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Primate Characters Grasping Hands and Feet Opposable Big Toes and Thumbs Nails instead of Claws Orbital Convergence and Stereoscopic Vision Sense of Smell Greatly Reduced; Vision Greatly Enhanced Relatively Large Brains Relatively Slow Life History: Long Period of Infant Care Social Groups
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C. dubius Jaw Eocene of Wyoming Earliest Primates Plesiadapiforms Carpolestes Mouse-Sized Arboreal Fruit Eater Opposable Big Toe with Nails Grasping But not Leaping Still Had Lateral Eyes Time of Angiosperm Radiation and Increased Flowers & Fruits Took to Trees & Peripheral Branches To Exploit New Food Source and Avoid Competition With Early Rodents C. simpsoni Paleocene of Wyoming (56 Ma) C. simpsoni Big Toe Bones
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This note was uploaded on 11/22/2011 for the course BIOLOGY 190a taught by Professor Staff during the Fall '11 term at UMass (Amherst).

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31-Primates_Lemurs _Monkeys_ Apes - Primates Our Nearest...

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