| A | B |
| behavior | What an animal does |
| ethology | Study of behavior in natural conditions |
| learning | Experience causing change in behavior. |
| maturation | Full development |
| imprinting | acquired during a sensitive period. |
| sensitive period | limited phase for learning behavior |
| associative learning | associate one stimulus with another |
| classical conditioning | Pavlov's Dogs |
| operant conditioning | trial and error learning |
| kinesis | random movement of animal-rate related to stimulus but not directional |
| taxis | Movement toward or away from a stimulus |
| social behavior | Interaction between 2 or more animals; usually same species. |
| agonistic behavior | involves a contest. |
| dominance hierarchy | "pecking order;" |
| territory | Area defended by an individual |
| parental investment | resources to produce and raise offspring |
| phermones | Chemical signal for communication |
| altruism | other benefits at expense of self |
| inclusive fitness | fitness of individual and close relatives |
| coefficient of relatedness | how closely related 2 individuals are |
| kin selection | altruistic behavior between close relatives |
| reciprocal altruism | one benefits now,the other benefits in the furure. |
| FAP | unchangeable behavior pattern |