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Homo erectus: Difference between revisions
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=== Homo ergaster === | === Homo ergaster === | ||
[[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)]] | ||
Some have argued that some ''Homo erectus'' fossils found in East Africa are a distinct species | Some have argued that some ''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 this population evolved into ''Homo sapiens'', which then migrated from Africa replacing ''Homo erectus'' (or archaic ''Homo sapiens'') populations 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 hypothesis]], which is distinct from the competing view known as the [[Multiregional hypothesis]].<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 consider debate as to whether ''Homo ergaster'' should be considered a separate species from ''Homo erectus'', and many considered one species.<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>}} | ||
