Pre-AP Ch. 34

7550421	behavior	way an organism reacts to changes in its internal or external environment
7550422	stimulus	signal to which an organism responds
7550423	response	single, specific reaction to a stimulus
7550424	innate behavior	instinct, or inborn behavior; appears in fully functional form the first time it is performed
7550425	learning	alterations in behavior as a result of experience; acquired behavior
7550426	habituation	when an animal decreases or stops its response to a repetitive stimulus that neither rewards or harms it
7550427	classical conditioning	when an animal makes a mental connection betwen a stimulus and some kind or reward or punishment
7550428	operant conditioning	when an animal learns to behave in a certain way through repeated practice; trial-and-error learning
7550429	insight learning	reasoning; when an animal applies something it has already learned to a new situation without a period of trial and error
7550430	imprinting	learning based on early experience; once it has occurred, it cannot be changed
7550431	migration	periodic movement and return of animals from one place to another
7550432	circadian rhythm	behavioral cycle that occurs in a daily pattern
7550433	courtship	when an animal sends out stimuli in order to attract a member of the opposite sex
7550434	territory	specific area occupied and protected by an animal or group of animals
7550435	aggression	threatening behavior that one animal uses to gain control over another
7550436	communication	passing of information from one organism to another
7550437	language	system of communication that combines sounds, symbols, or gestures according to a set of rules