Animal Behavior. Introduction: Ethology is the study of animal behavior. Behavior is an animal's response to sensory input, and falls into two basic categories: learned and innate (inherited).
figure, fig(noun) a diagram or picture illustrating textual material. Synonyms: number, form, design, fig, trope, physical body, material body, figure of speech, frame, image, figure, name, build, common fig tree, chassis, shape, anatomy, bod, flesh, pattern, soma, common fig, digit, public figure, human body, physique.
Fig. an automatic or reflex reaction; an immediate reaction made without examining causes or facts. With one of his typical knee-jerk reactions, he said no immediately, citing some moral argument that no one understood.