Ok, so what series of mutations resulted in the next higher form of life from bacteria, and what was it? Also how much time did this take?
Also I forgot to mention before, white skin reflects light, dark skin absorbs it. So there wouldn't have been "a survival value for the lighter hair and skin in the new environments."
He He, them darn old Norsemen marauded over here too. ;-)
Take Care Judy,
Gaylen