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



At 08:56 PM 7/16/97 -0600, Douglas W. Lewis wrote:
>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
>
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>> >
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