open question 1. in a test or survey, an item that does not...
Sorry, "american-association-of-mental-retardation-aamr" is not in the Dictionar...
variation n. 1. the existence of qualitative di...
FAP 1. abbreviation for fixed action pattern. 2. abbreviati...
sensory organ see sense organ.
annual cycle a pattern of behavior that recurs over the cou...