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anth200feb6 - ANTH Lecture Primates Mammals orders of class...

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ANTH Lecture 2/6/08 Primates Mammals – orders of class mamalia memorize! Lores (prosemian) Lower primates (rhinarium like dogs, cats) & higher primates (human like nose) What is a Primate? (ch. 7) 1. Grasping Hand/ Opposable thumb, (hands evolve in simplest primates) 2. Well-developed Stereoscopic Vision (or binocular vision, eyes face forward) 3. Olfaction de-emphasized (unable to smell very well, more visionary) 4. Diurnal, not nocturnal (day time after) 5. Flat nails instead of claws (all mammals have claws) 6. Single births (give birth to single offspring) 7. Sociality (primates are social while vast mammals live alone) 8. Extended Ontogeny(life cycle)-long, slow socialization (long pregnancy, dependent on mother, long periods of juvenile, adolescent and adult) you learn socialization 9. Large Brain Size (grew thru socialization) 10. Fused mandible 11. Enclosed bony eye orbits (protection) Primate Origins 1. Arboreal(tree-living opposite of terrestrial, living on ground) Hypothesis:
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