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Re: DINO EXTINCTIONS
> This is an important point. The perceived selectivity of the K/T extinctions
> may be more a function of the ability of a species to recover from an
> environmentally induced population crash than a profile of what lived and what
> did not live through the event itself.
True. But you'll agree, I hope <g>, that a species which has some members
does better at survival than a species that has no members survive.
IMHO, even if the extinction was gradual (on a human scale -- say, fifty
years or so), there is still some insight to be gained form looking at what did
survive and recover vs. what didn't.
-- Jon W.