ANTHROP 2200H Chapter Notes - Chapter 12: Nuclear Dna, Late Pleistocene, Beringia
19 Aug 2016
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Chapter 12: the origins, evolution, and dispersal of modern people: what is so modern about modern humans, high, vertical forehead; round, tall skull; small browridges; small face; small teeth; projecting chin; gracile, narrower bones, archaic h. sapiens. Longer, lower skull; larger browridge; bigger, more projecting face; taller, wider nasal aperture; more projecting occipital bone; no chin. A cranial feature of neandertals in which the occipital bone projects substantially from the skull"s posterior. Modern homo sapiens: single origin and global dispersal or regional continuity: out-of-africa hypothesis. States that modern h. sapiens first evolved in africa and then spread to asia and europe, replacing the indigenous, archaic h. sapiens populations living on these two continents: multiregional hypothesis. Regards the transition to modernity as having taken place regionally and without involving replacement. What do homo sapiens fossils tell us about modern human origins: early archaic homo sapiens. Cranial capacity of 1300 cc; large face; large browridges; thick cranial bones; higher (reflects brain expansion)
