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Re: Why did small dinos become extinct?
--- Dann Pigdon <email@example.com> wrote:
> No doubt there was an initial glut of carcasses for
> crocs and small
> theropods to scavenge from. Once they were gone
> (either eaten or rotted
> away), the lower metabolism of crocs may have given
> them an advantage, since
> they could have gone longer between meals than a
> high-performance theropod.
If, indeed, there was a difference in metabolism in
the two groups.
The K/T extinction seems to have been more biased
ecologically, than physiologically.
"I am impressed by the fact that we know less about many modern [reptile] types
than we do of many fossil groups." - Alfred S. Romer
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