Question: motivation

Answer: the psychological feature that arouses an organism to action toward a desired goal

Question: drive

Answer: strive and make an effort to reach a goal

Question: homeostasis

Answer: process by which organisms maintain a relatively stable internal environment

Question: instinct

Answer: inborn pattern of behavior often responsive to specific stimuli

Question: drive-reduction

Answer: theory that claims that behavior is driven by a desire to lessen drives resulting from needs that disrupt homeostasis