title: Ontogenetic and maturational studies of aggressive behavior.
mesh_terms: D000223:Adaptation, Psychological; D000374:Aggression; D000818:Animals; D001070:Appetitive Behavior; D001522:Behavior, Animal; D005075:Biological Evolution; D002335:Carnivora; D002415:Cats; D003643:Death; D004285:Dogs; D004328:Drive; D004777:Environment; D005106:Exploratory Behavior; D005260:Female; D006126:Group Processes; D006184:Habits; D006801:Humans; D007062:Identification, Psychological; D007323:Instinct; D008297:Male; D051379:Mice; D009042:Motivation; D009043:Motor Activity; D011574:Psychoanalytic Theory; D051381:Rats; D012919:Social Behavior; D012934:Social Isolation; D013045:Species Specificity; D014714:Vertebrates