ANTH 140 Lecture Notes - Lecture 4: Strepsirrhini, Prosimian, Color Vision
11 Dec 2017
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Strepsirrhines: most primitive, greater reliance on olfaction ( long snouts, slightly smaller brain, more laterally placed eyes, shorter gestation and maturation, dental comb (projecting lower incisors and canines, tapetum (re ective layer in back of eye) Monday, october 23, 2017: grooming claws, unfused mandible. Anthropoid traits: lack of rhinarium- moist nose pads, orbits fully enclosed by bone. Monkeys: 70& of all primates are monkeys. Monday, october 23, 2017: 2-1-3-3 dental formula, almost exclusively arboreal-trees, prehensile tails, with one exception, diurnal. Homoplasy: evolutionary principle that explains similarities between new world and old world monkeys, genetically distinct populations responding to similar environmental pressures, cladistics term for analogy, nw an ow monkey have been separated for 30 million years. Hominoid (apes: relatively large brains, tailless, suspensory orthograde climbers, unspecialized y5 molars, less apes (family gylobatidae, great apes (family hominidae) Family hominidae: orangutans, gorillas, chimpanzees, bonobos, humans.
