Re: Subterranean K-T strategies (was "I know why...")

["Scott P. Smith" <scott@scott-smith.com>]

Good point.  My theory has gone the way of the dinosaurs.


----- Original Message -----
From: "Adam Britton" <abritton@wmi.com.au>
To: <dinosaur@usc.edu>
Sent: Thursday, July 19, 2001 10:22 AM
Subject: Re: Subterranean K-T strategies (was "I know why...")


> What makes you think that many dinosaurs didn't bury their eggs either?
> Fossil evidence supports it.
>
> Adam
>
>
> ----- Original Message -----
> From: "Scott P. Smith" <scott@scott-smith.com>
> To: <dinosaur@usc.edu>
> Sent: Thursday, July 19, 2001 11:36 PM
> Subject: Re: Subterranean K-T strategies (was "I know why...")
>
>
> Sea Turtles: Bury their eggs
>
> Sharks: Many give birth to live young (more protected from environmental
> hazards than eggs).  I wonder if modern sharks that lay eggs evolved from
> species that gave birth to live young.  If so, that would suggest laying
> protection of eggs during K/T was the determining factor.
>
> Mammals: No eggs.  Do platypuses and echidnas protect their eggs by
burying
> or laying in a tunnel - Yes I think.
>
> snakes, lizards,crocodiles: bury eggs.
>
>
> Frogs:  That's the hard one.  They do not bury their eggs.  Frogs don't
seem
> to fit the vulnerable egg theory.
>
>
>