Re: "Dinosaurs Died Within Hours After Asteroid Hit Earth..."

[Vlad Petnicki <bucketfoot-al@justice.com>]

On Mon, 31 May 2004 08:21:54 -0400 (EDT), John Bois
wrote:

> 
> 
> 
> On Mon, 31 May 2004, Dann Pigdon wrote:
> 
> >
> >
> > Vlad Petnicki wrote:
> > >
> > > To quote the Jeff Goldblum JP character "life will
> find
> > > a way".  Had there been significant number of
> dinosaur
> > > survivors of those first weeks, would not at least
> some
> > > of them had "found a way" like the surviving
> critters
> > > did?
> >
> > Extinction isn't about animals dying (everything
dies
> eventually) - it's
> > about them not being able to reproduce viably faster
> than the mortality
> > rate.
> 
> Yes.  Except that bolide hypothesists expect us to
> believe it _is_ about
> dinosaurs just dying...that they became extinct
without
> first being
> endangered.
> 
> > Larger animals (in general) are more suceptible to
> > inbreeding. Hence a hundred elephants don't have a
> large enough gene
> > pool to survive as a species in the long term,
> whereas a hundred rats
> > can more or less take over the world.
> 
> This seems to make sense until one looks at the growth
> and reproduction
> rates of dinosaurs.  These factors may have more in
> common with rats than
> elephants.  For example, ostriches and emus are
> adult-sized in little more
> than a year.  And if a single elephant had as many
> offspring as an
> ostrich, they could brood a whole herd every year!
> 

Agree here.  The reproduction rates for the herbivores
must have been truly astounding to provide sufficient
food for the high-metabolism meat eaters of the day.

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