Clave (2) dé (2) Evolution (Biology) (1) Stocks (1) Social sciences (1) Population (1) Philosophy (1) Paper (1) Mathematical models (1) Kinship (1) Id (Psychology) (1) Human behavior (1) Happiness (1) Generals (1) Ethnology (1) Emigration and immigration (1) Dogs (1) Dependency (1) Cooperative societies (1) Collisions at sea (1) Becoming (Philosophy) (1) Attention (1) Attachment and garnishment (1) Altruism (1) Dependencia (1) Altruismo (1) Factores (1) Aptitud (1) Devenir (1) Abordaje (1)