|
|
Re: First Family and AAT
jamesb@hgu.mrc.ac.uk
13 Oct 1995 14:40:14 GMT
> Why would the
>>>early aquatic hominid have been any different? In other words, if
>>>becoming a biped is such a wonderful adaptation to an aquatic existence,
>>>why aren't polar bears, walruses, alligators, mososaurs and otters all
>>>bipedal?
>>
Because being a brachiating tree-dweller gives an animal enough of a
predisposition to being bipedal that it can adopt this posture when
wading, so probscis monkeys and humans can wade bipedally but a polar
bear would be more likely just to swim in a quadroped-like position
(doggy-paddle!).
James Borrett
|