APY 107 Lecture Notes - Lecture 13: Oldowan, Acheulean, Homo Rudolfensis

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27 Mar 2015
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Homini fossil record, describe 2 major evolutionary trends in human evolution. Two major developments in the history evolution are bipedalism and tool use. Bipedalism evolved before human brain or stone tools. Evolution of human bipedalism including tool use and carrying, food gathering, hunting, change in climates, human have good source of energy efficiency due to our hair and sweating and the amount of skin exposed to the sun (thermoregulation). Modern human are in the primate world because of bipedal movement able to walk on two feet. The earliest primates to walk on two feet were ardipitecus and australopithecus, who lived between 3 to 3. 9 million years. Researcher stated that an anthropologists in ethiopia discovered lucy, an completed skeleton. Biomechanics of locomotion is divides into two quadruped: arboreal and terrestrial. Arboreal quadruped contain long tail to help with balance and grasping foot. Terrestrial quadruped have bigger bodies, short digits, and restricted shoulder joint.

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