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). Orientation behaviors place the animal in its most favorable environment. In taxis, the animal moves toward or away from a stimulus.
Noun. 1. enquirer-someone who asks a question. asker, inquirer, querier, questioner. cross-examiner, cross-questioner-someone who questions a witness carefully (especially about testimony given earlier).
exâ¢poundâ²er, n. 1  Latin expÅnere to put out, set forth, explain, equivalent. to ex- ex-1 + pÅnere to put. 2  Old French espondre. 3  Middle English expounen, expounden 1250â1300.  2.See corresponding entry in Unabridged See explain.