Re: bipedalism and AAH
HARRY R. ERWIN (herwin@osf1.gmu.edu)
9 May 1995 11:45:44 GMT
Pat Dooley (patdooley@aol.com) wrote:
: Dan Grossman writes
: >Orangs are not knuckle walkers.Bipedal movements give more food range.
: Orangs are pretty hopeless on the ground no matter
: how they get around. They certainly don't use bipedalism to
: increase their food range.
: Pre-Lucy hominids probably did evolve bipedalism to increase their
: food range. The $64,000 question is where was the expanded food
: range?
: Pat d
Read Joel Brown's paper in the Journal of Theoretical Biology about 10
years ago. It may answer your question. Bipeds have a longer sight range
in open country where you can't just climb a tree when you need to see
farther.
--
Harry Erwin
Internet: herwin@gmu.edu
PhD student in comp neurosci: "Glitches happen" & "Meaning is emotional"
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