monde (1) puits (1) spectacle (1) histoire (1) Les Amériques (1) variation génétique (1) génétique (1) évolution (1) différenciation (1) démographie (1) ordre (1) continent (1) Differentiation (1) Variation (1) History (1) Selection (1) Genetics (1) Science (1) Process (Law) (1) Population (1) Order (1) Natural selection (1) Human beings (1) Indians of North America (1) History (1) Genetics (1) Evolution (1) Evidence (1) Demography (1) Anthropology (1)