Molecular systematics - is it all rubbish?

Neil Caithness neil at gecko.biol.wits.ac.za
Thu Jun 15 00:30:44 EST 1995


In article <3rms6r$eks at eldborg.rhi.hi.is>,
   eiriksig at rhi.hi.is (Eirikur Sigurdsson) wrote:

>There is no driver behind evolution by natural selection.  It is not a 
>creative process.  If you have variation, heredity and different rate of
>reproduction you get......NATURAL SELECTION.

It's always difficult to squeeze it into one sentence, but you do need at 
least one additional component--the differential reproduction of organisms 
must be a consequence of the interaction of the organisms with their 
environment. In this context the INTERACTION can be considered the driver.


------------------------------------------------------
Neil Caithness
Epidemiology Research Unit, NCOH, Johannesburg, &
Dept. of Zoology, University of the Witwatersrand

E-mail:	neil at gecko.biol.wits.ac.za / neil at is.co.za




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