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Re: Dino sex and therm tally rant (and feather origins thrown in)



Matt Giwer wrote:

> At 09:27 PM 7/16/97 EDT, jamolnar@juno.com wrote:
> >On Mon, 14 Jul 1997 22:28:55 -0700 Bettyc <Bettyc@flyinggoat.com>
> writes:
> >>jamolnar@juno.com wrote:
> >>> Do you mean have a rubbery egg so that you can release it from a
> >>height
> >>> and it can bounce unharmed?  Remember that sea turtles lay their
> >>eggs in
> >>> sand, and if the eggs drop down, they are hitting something soft
> >>anyway.
> >>> Wouldn't a nesting dinosaur have something soft lining the nest
> >>whether
> >>> the eggs were soft or not?
> >>
> >>ok-here's a thought...dinosaurs developed feathers before flight so
> >>that
> >>they could have something to pull off and line nests with.
> >>what do you think?.........
> >
> >Maybe the feathers were for the chicks to be able to break their
> falls
> >with (mom carries them and then drops them quickly?)
> >
> >>
> >>> The fact that all dinosaur eggs found so far are even fossils
> tends
> >>to
> >>> rule out the rubbery shell idea.  A rubbery egg like that of
> today's
> >>> reptiles would fossilize rarely if at all.
> >>
> >>not if it had the same conditions burying it.  Should fossilize
> quite
> >>nicely.
> >>
> >How many rubbery-shelled reptile egg fossils are there?
> >
> If They did lay rubbery eggs,and assuming they stayed rubbery,would
> they even fossilize at all?


Caleb
http://www.geocities.com/Area51/Vault/6619/index.html

> >
> >