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HUMAN EVOLUTION - Coggle Diagram
HUMAN EVOLUTION
BIPEDALISM (2)
defining characteristic of hominins, narrow base of support
ADAPTATIONS
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flatter ribcage, centralised body mass
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femur valgus angles to knee, stability, centred mass
arched feet, shock absorbtion, spring off toes to walk/run
4.2-6 MYA, drivinf force of human evolution, better balnace and walking on 2 feet
ADVANTAGES
free hands, carry, gather, weapons, tools
height, see predators, food/shelter avaliability, more intimidating
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keep cool, SA:V airflow around body
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