Re: Speciation-how do you know?

David Sierra (dsierra@lonestar.jpl.utsa.edu)
Mon, 14 Oct 1996 15:58:07 -0500

On Mon, 14 Oct 1996, Yousuf Khan wrote:

>I haven't even
>been able to discern a universally recognized criteria for just what
>skeletal features constitute a species, or what a species is for that
>matter.

Two words: Reproductive Isolation (see previous post)