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Re: Theories on the extinction of dinosaurs



At 12:55 19-11-1999 -0500, you wrote:
>
>
>On Fri, 19 Nov 1999 Dinogeorge@aol.com wrote:
>
>> Perhaps the situation is like that of the heart patient who is shot to
death. 
>> He was at death's door already, but the cause of death is still the gunshot.
>
>Horner made a point against this.  The last passenger pigeon was
>killed (I think) by pneumonia.  Saying they became extinct because of
>pneumonia may be technically true, but it is a rather shallow statement.
>

When there is only one specimen of a species left, technically the species
is already extinct!

Fred Ruhe