ANTH 1001March 22

ANTH 1001March 22 - Form of locomotion and walking on two o...

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ANTH 1001 March 22, 2010 Primate Evolution Pliocene (5-1.8mya) o {See definite} Hominids and Hominins Pleistocene (1.8mya- 10kya) o {definite} Modern Humans emerge Holocene (10kya- present) o “Modern” times {on terms of geologic time scale} Paleoanthropology Study of human evolution, the fossil record, and the relationship between the fossil and us Goals: 1. To identify hominids and hominins 2. To establish their chronology, their relationship to each other 3. To gain insight into the behavior of the fossil species- to reconstruct lifestyles Multidisciplinary Hominids- general term based on family hominday; Culture o Learned behavior o Use of tools; and making tools o Apes can now use culture o 2.6 mya start to see tools Brain Size o When and how much difference is there? o Also intelligence and intellectual behavior o Increases in brain size throughout pleioscene Bipedality o
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Unformatted text preview: Form of locomotion and walking on two o Big clue / human factor Bipedality Skull o Foramen Magnum- little hole in bottom of skull; where brainstem come out of that hole and goes to vertebrae -In bipeds centrally located-In quadrupeds in back of skull o Spinal Curvature- s shaped spine-In quadrupeds much straighter o Pelvis shape-(ilia)-More bold shaped pelvis where ilia( flat part) are oriented in an anterior posterior front to back direction-In quadraped- more flattened pelvis; and ilia are oriented in medial lateral direction (side to side) o Femur:-Bicondylar angle The angle the femur produces when articulating with the pelvis-Neck length Neck length longer in biped Shorter in quadraped o Feet-Force of toes important to us-Bipeds have arch and when bones articulated you can see; helps stabalize...
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This note was uploaded on 09/19/2011 for the course ANTH 1001 taught by Professor Tague during the Spring '07 term at LSU.

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ANTH 1001March 22 - Form of locomotion and walking on two o...

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