THE EVOLUTION OF INTELLIGENCE.
D000818:Animals; D005075:Biological Evolution; D001717:Birds; D005399:Fishes; D000882:Haplorhini; D007360:Intelligence; D007858:Learning; D051381:Rats; D012104:Reptiles; D012106:Research
BIRDS; EVOLUTION; EXPERIMENTAL LAB STUDY; FISHES; INTELLIGENCE; LEARNING; MONKEYS; RATS; REPTILES