Out of Africa model 2010

Out of Africa model - Homo sapiens sapiens anatomically modern Anatomically modern by 200,000-150,000 ya in Africa By 30,000 ya ALL humans are

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Homo sapiens sapiens anatomically modern (Smithsonian Institution) (Turnbaugh et al. 2002:322) Anatomically modern by 200,000-150,000 ya in Africa By 30,000 ya, ALL humans are anatomically modern (except Homo floresiensis up to 17,000 ya)
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Question about evolution to or origin of modern H. sapiens : Did all regional archaic populations evolve, or just one ?
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Archaic H. sapiens 800,000 to 30,000 ya Found in Africa, Europe, and Asia Fully modern H. sapiens Found as early as 200,000-150,000 ya H. erectus 1.8 mya to 250,000 ya Found in Africa, Europe, and Asia
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What is the basic problem? We can’t tell for certain which are separate species. How can we tell when they are the SAME species? Members of the same species can mate and produce fertile offspring
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One extreme: ALL Homo are the same species, H. sapiens There may be nine or more species of Homo: rudolfensis, habilis, ergaster, erectus, antecessor, heidelbergensis, neanderthalensis, sapiens , and floresiensis
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Multiregional Evolution Model Recent African Origin Model Historically has been called Replacement Model , or Out of Africa Model , or Eve Model Mostly-Out-of-Africa Model Three models on the origin of anatomically modern H. sapiens :
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Multiregional Evolution Model : 1. Homo erectus originated in Africa and spread out into Europe, Asia, and more of Africa 2. Local H. erectus populations evolved regional differences in response to local environmental conditions
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This note was uploaded on 10/04/2011 for the course ANTH 101 taught by Professor Simmons during the Spring '06 term at South Carolina.

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Out of Africa model - Homo sapiens sapiens anatomically modern Anatomically modern by 200,000-150,000 ya in Africa By 30,000 ya ALL humans are

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