evolution text

[Les Kaufman]

Sexual selection is a form of natural selection.  Founder effect and other
stochastic phenomenae are, however, other mechanisms for microevolution.
Also, anything that precipitates speciation is of course evolutionary in
nature, and this can include non-adaptive (at the outset) as well as
adaptive mechanisms---e.g., hybrid sunflower species.

Les Kaufman
Boston University Marine Program
lesk at bio.bu.edu
617-353-5560 office
617-353-6965 lab
617-353-6340 fax