Meaning of behavior

be•hav•ior

1. manner of behaving or acting.
1. observable activity in a human or animal.
2. the aggregate of responses to internal and external stimuli.
3. a stereotyped, species-specific activity, as a courtship dance or startle reflex.
3. Often,a behavior pattern.
4. the action or reaction of any material under given circumstances: the behavior of tin under heat.