Anthropology 1020E Lecture Notes - Lecture 22: Anatomically Modern Human, Archaic Humans, Homo Sapiens
25 Nov 2016
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Modern homo sapiens had something different about them. Savvy about their environment and how to utilize it. Anatomically modern homo sapiens: date: 160 kya-present, location: worldwide, brain size: 1350cc, anatomy: Chin: tools: palaeolithic tradition > space stations, genetic engineering, internet. Origin of homo sapiens (know a few things about each theory: where and when homo sapiens rst evolved, and what happened when they came. Tuesday, february 3, 2015 into contact with the archaeon"s: two opposing theories: Replacement hypothesis: population replacement model or out of africa model, archaic to modern h. sapiens transition in africa only (160kya, spread throughout africa, europe, asia, replaced local archaic h. sapiens populations (including neanderthals, no gene ow. Who you need to know : hominins since ~6-7mya, diversity, several genera: Plasticity: capacity to change physiologically in response to environmental stress. Homeostasis: condition of balance in a biological system. Tuesday, february 3, 2015: can"t lose too much. Vasodilation: capillaries at skin"s surface widen to allow increased blood ow.
