Nonmathematical models for evolution of altruism, and for group selection (peck order-territoriality-ant colony-dual-determinant model-tri-determinant model).
D000818:Animals; D001000:Ants; D001522:Behavior, Animal; D005828:Genetics, Population; D008954:Models, Biological; D010684:Philosophy; D012641:Selection, Genetic; D012930:Social Dominance; D013731:Territoriality