Also, selection is not always (some say not usually) based on advantage.
> If the gene pool includes a wide enough variety, it seems to me the
> species has resources to meet new conditions. Ipso facto, there is an
> evolutionary (or simply SURVIVAL) advantage to whatever genetic or
> historical factors promote and preserve not just any specific
> characteristic, but variability itself.
Good luck figuring out a mechanism for this to work.
[big snip]
