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A Scientific Theory of Organic Creation
Elementary Social Theory
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adult females adult male aggressive animals antlers ants asexual asexual reproduction associated attack attractive average baboons behavior Belding's ground squirrels benefit birds breeding cell chicks chimpanzee chromosomes conflict copulation correlated cost courtship daughters degree of relatedness differential male mortality dominant effect eggs evidence evolution evolutionary evolved example expected factors favor feeding female choice fertilization Figure frequency function genes genetic gulls helpers host human inbreeding inclusive fitness increase individuals infant insects interactions kinship larvae Luit male investment male parental investment male-male competition male's mammals mate choice meiosis monkeys mother mutations natural selection nest offspring pair parasites parent-offspring conflict parental investment Photo plants population predators primary sex ratio produce pups reciprocal altruism red deer relative reproductive success selfish sex ratio sexual dimorphism sexual selection siblings sisters social species sperm strategy suggests tend territory theory tion traits Trivers variability variation wasps Yeroen young