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. anxious; in suspense. I've been on pins and needles all day, waiting for you to call with the news. We were on pins and needles until we heard that your plane had landed safely.