ANTHROP 1AA3 Lecture Notes - Lecture 11: Archaic Humans, Homo Erectus, Homo Sapiens
25 Mar 2015
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Anthro 1aa3: food sex and death- lecture 11: origins & evolution of genus cont"d. Homo erectus dispersed from africa and into java, europe. Moving at different speeds and migrating gradually. No fossils present in north america and south america however it is dominated everywhere else. Believes that homo sapiens evolved in one area of the world first (africa) and then migrated to other regions. It is called the replacement model because it assumes that homo sapiens were contemporaries of the early h. erectus but eventually replaced them. Homo sapiens all descended from a single common ancestral group, therefore minimal diversity between modern humans. Neanderthals were contemporaries of homo sapiens but became extinct and became replaced by homo sapiens. We did not evolve from neanderthals we just encountered them. H. erectus disperses early from africa, ~1. 25 mya. Populations linked by gene flow constant fluid, a lot of interactions.
