Abstract
The paper traces the beginnings of human culture in Africa, its evolution and spread, and shows the feedback relationship that exists between biological evolution and culture. It is demonstrated how environment is the most important factor in producing variability at the food-gathering level, and the present-day regional differences in culture are shown to have been in existence for some 40,000 years. The history of the introduction and spread of domestication is summarized, and evidence is adduced to indicate that the diffusion of Iron Age economy in southern Africa was due as much to adaptation as to immigration, thus demonstrating a real and traceable continuity up to the present day.

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