Social subordination, population density, and mammalian evolution.
D000818:Animals; D005075:Biological Evolution; D001947:Breeding; D002980:Climate; D004463:Ecology; D006801:Humans; D008322:Mammals; D011156:Population Density; D011995:Recombination, Genetic; D012641:Selection, Genetic; D012919:Social Behavior; D012930:Social Dominance; D013045:Species Specificity