heretic888 said:It is the largely discredited evolutionary model of Lamarckism, which has not been a significant part of evolutionary theory since the end of the 19th century. It has received something of a resurgence in recent years due to the new field of epigenetics, but that is a whole other can of worms unto itself.
Biological evolution is Darwinian (or neo-Darwinian if you want to get picky). Cultural evolution is definitely Lamarckian.