puits (1) spectacle (1) investissement (1) écologie (1) distribution (1) pièce d'exposition (1) Ecology (1) Claims (1) Societies (1) Social sciences (1) Sex differences (1) Population (1) Human beings (1) Mammals (1) Males (1) Equality (1) Ecology (1) Cooperation (1) Claims (1) Average (1) Exceptionalism (1) Monogamous relationships (1) Polygyny (1) Sex differences (1) Practice (1) Number (1)