"social darwinism"
you keep using that word.
this phrase for most people means the belief that success in society is proff of natural superiority, while failure in society is evidence of inferiority.
this has NOTHING to do with actual evolution.
social Darwinism
n. The application of Darwinism to the study of human society, specifically a theory in sociology that individuals or groups achieve advantage over others as the result of genetic or biological superiority.
So′cial (or
so′cial)
Dar′winism,
n. a 19th-century doctrine that the social order is a product of natural selection of those persons best suited to existing living conditions.
~
http://www.thefreedictionary.com/social+Darwinism
why do you keep bringing it up in the context of actual evolution and actual changes in a species over time?