[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Extinction (was Jurassic Intelligence)

 From: Peter Sheehan <sheehan@csd.uwm.edu>
 > Dave Jablonski's work has clearly shown the the most important factor during 
 > the various extinction events has been wide geographic distribution.  
 > e.g. Science 253:754-757.  Certainly was true for brachiopods during the 
 > Late Ordovician extinction.
 > 
Well then, we should be sitting pretty - no animal I know if in the
history of the Earth has had such a wide geographic distribution.
Even most of our domestic animals fail to match our range: I think
only the dog and *maybe* the cat are found *everywhere* humans are.

swf@elsegundoca.attgis.com              sarima@netcom.com

The peace of God be with you.