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Re: bauplan convergence

In a message dated 6/8/00 11:48:00 AM EST, twilliams_alpha@hotmail.com writes:

<< If the transition from biped to quadruped can happen in the growth series 
 a single species, I see no reason why it should be so difficult to happen 
 within an evolutionary lineage.  Why should it be necessarily "more 
 difficult" than switching from scansorial to quadrupedal. >>

I'm talking about >obligatory< bipeds, not facultative bipeds here.