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RE: (extinction) (long)



Hello,

You wrote:

> -- horses and rhinos began small and therefore evolved fast at
> first, then they grew and their evolution slowed down.

Just wondering .... Is this a "law" in evolution theory ?
I'm certainly not an expert but I always thought that speed of evolution
is more dependant on population size (rapid when there are not so many
of them) than on body-size. If I'm not mistaken elephants and rhino's show
rapid evolution in some cases.

-Harm-