Michael Harney wrote: > >> It depends on how you define "humans". If we consider the separation from >> the chimpanzee(s), it would be _much_ earlier, 1 to 7 million years ago. > > I was speeking of humans as a species (homo sapiens), > But we don't know _for sure_ if Homo erectus was a race of Homo sapies or a different species. There are some hints that it was possible to exchange genes from H. erectus to H. sapies - this would place the origin of humans back to 1 million years ago.
> just as I was talking > about bottlenose dolphins as a species (tursiops truncatus). If you want > to go from when the family first formed and species branched off, then > delphinidae (the family which bottlenose dolphins belong to) started about > 10 Million years ago. > Again, we don't know if the Tursiops truncatus is the same species for such a long time. I don't think there's any useful DNA to check Alberto Monteiro _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l
