ANT-4340 Lecture Notes - Lecture 5: Denisova Cave, Kebara Cave, Homo Floresiensis
17 Feb 2017
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Lasted for 2. 5my (early phase of the stone age) Questions: evolution of the genus homo. Interbreeding: dispersal of homo lineages out of africa. Out of africa i: south asian evidence. Out of africa ii: modern human peopling of the old world. Genus homo: evolved in africa in the pleistocene epoch, trends towards encephalization and obligate bipedalism, four distinct lineages from the fossil record. Homo sapiens: contact of lineages and interbreeding occurred in asia during the pleistocene. Asian erectus and homo floresiensis were not involved. Homo neanderthalensis: appear ~230kya with phenotype suitable for cold middle pleistocene europe, coexisted with amhs in europe and sw asia, genetic evidence suggests interbreeding in sw asia 50-80kya, h. sapiens. Skhul and qafzeh caves 120-90kya: h. neanderthalensis. Models for the evolution of amhs: mre model. Morphological analysis: rao model (cid:862)out of africa(cid:863) model. Traced origins of amhs back to africa: assimilation model. Amhs did not entirely replace homo populations outside of africa.
