RE: Peering at review

["Williams, Tim" <TiJaWi@agron.iastate.edu>]

Dinogeorge wrote:

> The existence of one species of finch is evidence for the existence of
> dozens  of kinds of finches. Likewise, the existence of Archaeopteryx is
> evidence for  the existence of dozens of species of archaeopterygids.>

That logic doesn't stick.  The appearance of species does not always lead to
explosive speciation.  The latter depends upon a great many factors:
availeble niches, available resources etc.  Darwin's finches were blessed in
this repect; not all novel species are so fortunate.



Tim