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Homo erectus: Difference between revisions
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[[Image:Homo_ergaster.jpg|thumb|120px|''Homo ergaster'' - Skull Khm-Heu 3733 discovered by Bernard Ngeneo in 1975 (Kenya)]] | [[Image:Homo_ergaster.jpg|thumb|120px|''Homo ergaster'' - Skull Khm-Heu 3733 discovered by Bernard Ngeneo in 1975 (Kenya)]] | ||
=== Homo ergaster === | === Homo ergaster === | ||
Some have argued that certain ''Homo erectus'' fossils found in East [[Africa]] are a distinct species called ''Homo ergaster'', the name being derived from the Ancient Greek ἐργαστήρ "workman". Many that except this species hold that they are the ancestors of modern ''Homo sapiens'', rather than erectus. It is asserted that ''H. sapiens'' then migrated from Africa replacing ''Homo erectus'' (or archaic ''Homo sapiens'') populations found in other parts of the world.<ref>[http://en.wikipedia.org/wiki/Homo_ergaster Homo ergaster] Wikipedia, Accessed September 18, 2011.</ref> This model of human evolution is known as the [[Out-of-Africa | Some have argued that certain ''Homo erectus'' fossils found in East [[Africa]] are a distinct species called ''Homo ergaster'', the name being derived from the Ancient Greek ἐργαστήρ "workman". Many that except this species hold that they are the ancestors of modern ''Homo sapiens'', rather than erectus. It is asserted that ''H. sapiens'' then migrated from Africa replacing ''Homo erectus'' (or archaic ''Homo sapiens'') populations found in other parts of the world.<ref>[http://en.wikipedia.org/wiki/Homo_ergaster Homo ergaster] Wikipedia, Accessed September 18, 2011.</ref> This model of human evolution is known as the [[Out-of-Africa theory]], which is distinct from the competing view known as the [[Multiregional theory]].<ref>[http://www.nature.com/scitable/content/out-of-africa-versus-the-multiregional-hypothesis-6391 Out-of-Africa versus the multiregional hypothesis] Nature Education, Accessed September 18, 2011.</ref> However, there remains considerable debate as to whether ''Homo ergaster'' should be considered a separate species from ''Homo erectus'', and many in fact treat them one and the same.<ref>[http://anthro.palomar.edu/homo/homo_2.htm Homo erectus] by Dennis O'Neil. Behavioral Sciences Department, Palomar College, San Marcos, California.</ref> | ||
{{cquote|In short, ''H. ergaster'' does not show significant promise of lasting as a separate taxon due to several factors. It has not been shown to be significantly different from erectus to require the designation of a new hominid species, and it has not been shown to be closer to modern humans morphologically as has been claimed by some. At this time, ergaster basically means early ''H. erectus'' from Africa.<ref>[http://archaeologyinfo.com/homo-ergaster/ Homo ergaster] ArchaeologyInfo.com, Accessed September 11, 2011.</ref>}} | {{cquote|In short, ''H. ergaster'' does not show significant promise of lasting as a separate taxon due to several factors. It has not been shown to be significantly different from erectus to require the designation of a new hominid species, and it has not been shown to be closer to modern humans morphologically as has been claimed by some. At this time, ergaster basically means early ''H. erectus'' from Africa.<ref>[http://archaeologyinfo.com/homo-ergaster/ Homo ergaster] ArchaeologyInfo.com, Accessed September 11, 2011.</ref>}} | ||
