Re: An alternative to ST and AAT

John Waters (jdwaters@dircon.co.uk)
5 Nov 1996 10:04:17 GMT

Thomas Clarke <clarke@acme.ist.ucf.edu> wrote in article
<55lpgn$qs0@news.cc.ucf.edu>...
> Don't you see a difference in these cases.
> H.s and preceeding hominids and australopithecenes are
the only
> animals ever to "walk like a man". [at least I know of
no others]
>
> (snip)
>
> Does this not suggest the possibility of special
evolutionary
> circumstances? If the circumstances were not special
then why
> are there not lots of animals that walk like a man?

JW: There are only three species of knucklewalking
primates. And
only one species of fistwalking primate. Does this imply
special
evolutionary circumstances? Or simply that a small number
of
species used these adaptations?

John.