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

[Dora Smith <villandra@austin.rr.com>]

I understand that a viable theory exists that all modern mammals are
descended from a cow-sized herbivore that survived the extinction.    I
don't know how justified that idea is, but it must rest to begin with on a
cow sized herbivore that survived the mass extinction.    I wonder where it
was living at the time?    I doubt it was in a burrow.

Yours,
Dora Smith
Austin, Texas
villandra@austin.rr.com
----- Original Message -----
From: "Vlad Petnicki" <bucketfoot-al@justice.com>
To: <Mickey_Mortimer111@msn.com>
Cc: <dinosaur@usc.edu>
Sent: Saturday, May 29, 2004 11:53 AM
Subject: Re: "Dinosaurs Died Within Hours After Asteroid Hit Earth..."


> On Sat, 29 May 2004 09:51:01 -0700, Mickey Mortimer
> wrote:
>
> >
> > Vlad Petnicki wrote-
> >
> > > > > How come they were the only dinosaurs?
> > > >
> > > > They were small. They weren't directly dependent
> on
> > > > green plant parts. They
> > > > were able to fly, allowing them to live off widely
> > > > dispersed food. This
> > > > sounds plausible, I think.
> > >
> > > And - they had FEATHERS, which turned out to be
> > > remarkably good insulation against cold - think of
> > > birds huddling together in a burrow, and you get an
> > > idea why they survived while the dinosaurs did not.
> >
> > *cough* deinonychosaurs *cough* oviraptorosaurs
> *cough*
> > segnosaurs ...
> >
> > Mickey Mortimer
>
> *Cough* Land-dwelling critters much LARGER than most
> birds.  VERY UNLIKELY to have been living in burrows.
> And, given the birds super-light construction, much
> heavier (thus requiring much more food by an even
> larger factor than did birds.)  Ever heard of "Occam's
> Razor"? *Cough*
>
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