NE>venturing into the unknown. Species do not, as far as I know, radiate
NE>into unfilled ecological niches unless their own niche is under threat
NE>(someone please correct me if I'm wrong).
One of the threats in their own niche can be overpopulation, ne c'est
pas?
Ann
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OLX 2.1 TD He is not deceived who knows himself to be deceived. <g>