notes2#7 - bipedalism adaptation Benefits-free up hands,...

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bipedalism adaptation Benefits-free up hands, extended view, cooling more effectively, covering of long distances Requirements-stable center, locking knees, foot supported, longer legs, change to pelvis, curve spine, longitudinal arch Size 1) hominins were large higher metabolic rate requires increase in dietary breadth population densities decline because carrying capacity is finite more mobile incorporate more variable resources in diet tolerate extremes of heat and cold sweat glands enhance endurance live longer enlarged brain solutions very mobile behavioral flexibility enhanced intelligence longer period of dependency social interaction
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environment live in open, tropical savanna environment plant foods in savanna are of lower quality, seasonal, and of low productivity grasses not suitable for primates, but for herbivores meat became important and probably led to larger brains locomotion terrestrial bipedalism favors endurance frees the hands problems o locomotion if adapted to tree living o shelter-returned to trees at night or made ground nests
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notes2#7 - bipedalism adaptation Benefits-free up hands,...

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