Culture and the Evolution of Man

activity adaptation adult animal anthropoid anthropologists apes appear australopithecines baboons become biological bipedal brain breeding canines capacity cerebral chimpanzee climatic selection concept conflict context cortex culture Darwin dependent upon symboling dominance environment evidence evolutionary change existence extrasomatic fact factors female fetal fossil frequencies frontal lobe function genetic hominid Homo sapiens human evolution hunting Huxley increase individuals involved language learning macaque malaria male mammals man-apes man's Mande languages mating mechanisms mental modern monkeys morphological natural selection Neanderthal neoteny neural system observed occur oestrus organism pattern period physical Physical Anthropology Piltdown Pleistocene population possible primates probably problem protocultural protohominids psychological rats relationship SA/W ratio sexual sickle cell gene sickle cell trait significance situation skull social behavior society species stress structure suggest survival teeth things and events tion tool-making tool-using tribes tropical West Africa York