Animal awareness. Current perceptions and historical perspective.
D000828:Animal Population Groups / Q000502:physiology; D000818:Animals; D001364:Awareness; D005075:Biological Evolution; D001921:Brain / Q000502:physiology; D003071:Cognition; D003243:Consciousness / Q000502:physiology; D005010:Ethology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011587:Psychology, Comparative / Q000266:history