Human Adaptation: The Biosocial Background

Underlying the anthropological study of humans is the principle that there is a reality to which a human must adapt for survival. Populations must adapt to the realities of the physical world and maintain a proper fit between their biological makeup and the pressures of the various niches of the world. Social groups must develop adaptive mechanisms in the organization of their social relations if there is to be order, regularity, and predictability in patterns of cooperation and competition...