power6 - 11/2/2008 1 What does it mean to be human?...

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11/2/2008 1 1 What does it mean to be human? • Intelligence, Language, Technology, self-awareness, time-awareness, religion, philosophy • Humans belong to the order Primates • Why primates? Why not cephalopods, reptiles or dogs? 2 The ancestors of the primates were shrew-like animals 3 4 5 Humans have many features in common with other primates 6 What are the special adaptations of primates that led to the evolution of humans? • Primates adapted for life in the trees (i.e. are arboreal): – Rotatable limbs – Opposable thumbs – Sensitive finger pads and flat fingernails – Binocular, color vision – Reduced sense of smell – Social groups
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11/2/2008 2 7 Fig. 34.35 8 Prosimians have long snouts like many other animals: A lemur from Madagascar 9 The Aye-aye has specialized fingers for digging insects out of holes in trees 10 11 A loris 12 New World Monkeys grasp with front and back “hands” as well as their tails Squirrel monkeys
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11/2/2008 3 13 A Howler monkey from tropical America 14 Old world monkeys lack prehensile tails and many spend much time on the ground. These are tail-less monkeys called Macaques 15 Socialization involves communication,
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power6 - 11/2/2008 1 What does it mean to be human?...

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