A mathematical model of the evolution of demographic behavior. I. Basic model. Natural selection of behavior

A totality of some self-reproducing systems capable of growth and division is discussed. If the set of behavior types is finite, then there is a final distribution of systems by types of demographic behavior. The systems are studied by the asymptotic properties of ramifying processes. The results are illustrated with numerical computer findings. The model is intended for research of demographic behavior in primitive human communities.