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ANTH 1001March 12

ANTH 1001March 12 - ANTH 1001 Communication Body language...

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ANTH 1001 March 12, 2010 Communication Body language – posture Facial expressions – yawning, grinning Autonomic – hair raising, body odor changes Display – elaborate combination of behaviors o Gorillas throwing leaves in the air and beating their chests Reproduction Estrus – period of sexual receptivity in females that is correlated with ovulation and hormonal cycles Primate Evolution Paleocene (65-55 million years ago) o Plesiadapiforms – earliest [possibly] primate fossils Small bodied, small brain Arboreal quadrapeds Long snout, claws [not nails], open eye-socket Eocene (55-37 MYA) o Adapoids Slightly larger body Arboreal quadrapeds Enclosed eye-socket, nails (not claws) Found primarily in Northern Hemisphere Believed to be related to Lemurs and Lorises o Omomyoids Typically larger than the Adapoids Larger brain Related to monkeys and apes Oligocene (37-22.5 MYA) o Apidium Dental formula of New World Monkeys Found in Egypt o Aegyptopithecus Enclosed eye-socket
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