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Re: Unidirectional gator breathing in Science



On Fri, Jan 15th, 2010 at 2:45 PM, don ohmes <d_ohmes@yahoo.com> wrote:

> As an aside, another point frequently missed in consideration of
> possible sauropod lifestyles is the fact that 'dive time' is
> proportional to bodysize. Given their 'airiness', sauropods could
> likely have held their breath an impressive length of time even in
> the absence of specific adaptations.

That very pneumaticity would have made it very difficult for a sauropod to 
submerge far enough 
for the nostrils to be under water, negating the need to have to hold their 
breath at all.

-- 
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Dann Pigdon
GIS / Archaeologist                Australian Dinosaurs
Melbourne, Australia               http://home.alphalink.com.au/~dannj
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