MontanaHatchet on 22 November 2009
An 8 foot tall man would likely have a very, very hard time having sex with a 3 foot tall woman. Chances are, that 3 foot tall woman could only mate with a 3 foot tall man, and vice versa for the 8 foot tall man. But at the same time, it's unlikely that either of the groups would become their own species. Or maybe I missed your point here.
