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Primates

Primates. Lemurs, Tarsiers, Monkeys, Apes, Humans. Order: Primates. “Advanced” hands/digits (prehensile) Opposable thumb in some. Forward-looking eyes (3-D vision) Increased social behavior & parental care of offspring. Arboreal lifestyle. Order: Primates. 3 extant groups : Lemurs

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Primates

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  1. Primates Lemurs, Tarsiers, Monkeys, Apes, Humans

  2. Order: Primates • “Advanced” hands/digits (prehensile) • Opposable thumb in some. • Forward-looking eyes (3-D vision) • Increased social behavior & parental care of offspring Arboreal lifestyle

  3. Order: Primates • 3 extant groups: • Lemurs • Tarsiers • Anthropoids

  4. Anthropoids New World Monkeys Arboreal grasping (prehensile) tail Old World Monkeys Arboreal or ground-dwelling Tail, but not prehensile Hominoids No tail Shorter limbs Brain size increased (relative to body size) 40 mybp

  5. Hominids • Bipedalism (walking upright on 2 legs) • Increased Brain size (relative to body size) • Esp. Cerebral Cortex • 4 genera: • Sahelanthropus (extinct) • Ausralophithecus (extinct) • Paranthropus (extinct) • Homo • H. habilis • H. erectus • H. sapiens neanderthalis • H. sapiens sapiens

  6. Hominids • History of various hominds: http://www.erin.utoronto.ca/~w3dsmith/e100t202.htm

  7. H. habilis

  8. H. erectus

  9. H. sapiens

  10. Human Population • Tool Use (approx. 3 million years ago) • Agriculture (approx. 10,000 years ago) • Fossil Fuels (approx. 150 years ago)

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