[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: 'MAMMALS MAKE LOUSY REPTILES'



>From: Jeffrey Martz <martz@holly.ColoState.EDU>
 > 
 >    How does it "lean back" without using its forelimbs? It seems to me 
 >like to only way to shift the animals balance backward would be to push 
 > off with the forelimbs. 

That's cuz yo is an obligate biped, and tailless as well.

The key factor for sauropods is the hip arrangement. By shifing the
tail, and by proper use of muscles attaching the back to the hips,
a beastie with the build of a sauropod can rear up without pushing
off.

swf@elsegundoca.attgis.com              sarima@netcom.com

The peace of God be with you.