Problems of comparative psychology.
D000818:Animals; D001522:Behavior, Animal; D005075:Biological Evolution; D001717:Birds; D002415:Cats; D004285:Dogs; D005010:Ethology; D005399:Fishes; D005824:Genetics, Behavioral; D000882:Haplorhini; D006613:Higher Nervous Activity; D006801:Humans; D007323:Instinct; D007858:Learning; D051379:Mice; D008815:Mice, Inbred Strains; D010828:Physiology, Comparative; D011340:Problem Solving; D011587:Psychology, Comparative; D011817:Rabbits; D051381:Rats; D013045:Species Specificity; D013112:Spiders