H. sapiens fossil located? The oldest cro-magnon fossil
Cro Magnon =
Homo sapiens
The oldest
Homo sapiens fossil (so far) is the set in Ethiopia:
http://www.berkeley.edu/.../releases/2003/06/11_idaltu.shtml
quote:
160,000-year-old fossilized skulls uncovered in Ethiopia are oldest anatomically modern humans
To show the asian link to
Homo erectus would only require that
Homo erectus and
Homo sapiens interbreed - neander would not be necessary.
http://www.dmanisi.org.ge/index.html
quote:
The Dmanisi hominid remains are the first hominids discovered outside of Africa to show clear affinities to African H. ergaster rather than to more typical Asian H. erectus or to any European hominid.
But
H. ergaster is considered ancestral to or an archaic
H. erectus
Looking at the typical chart of human development from
http://www.mnh.si.edu/anthro/humanorigins/ha/a_tree.htmlor
http://www.handprint.com/LS/ANC/evol.htmlwe see
H. ergaster as the common ancestor to both
H. erectus and
H. heidelbergensis which is then a common ancestor to
H. sapiens and
H. neanderthalensis
This makes interspecies hybrids between
H. sapiens and
H. neander. much more likely to be viable that interspecies hybrids between
H. sapiens and
H. erectus.
Then we have the genetic data
Just a moment...
quote:
The date of divergence between the mtDNAs of the Neandertal and contemporary humans is estimated to 465,000 years before the present, with confidence limits of 317,000 and 741,000 years. Taken together, the results support the concept that the Neandertal mtDNA evolved separately from that of modern humans for a substantial amount of time and lends no support to the idea that they contributed mtDNA to contemporary modern humans.
Did this multiple-region speciation event occur simultaneously? How can you tell? If they didn't, how can you tell that it isn't just H. sapiens replacing the elder species?
More to the point, there should be genetic evidence of mixing of genes between
H. sapiens and other species, evidence that is to date lacking.
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