title: Evolutionary biology. Help and you shall be helped.
authors.forename: R
authors.initials: R
authors.lastname: Ferrière
mesh_terms: D000818:Animals; D005075:Biological Evolution; D003299:Cooperative Behavior; D005716:Game Theory; D006379:Helping Behavior; D006801:Humans; D008954:Models, Biological; D009014:Morals; D012641:Selection, Genetic