| Hint | Answer |
| i.e. young geese follow their mother | |
| competition among members of one sex for mates | |
| a type of signaling & communication that is used for reproduction behavior | |
| a sequence of unchangeable, unlearned acts | |
| a type of behavior modified by experience | |
| natural selection that favors altruistic behavior | |
| the study that observes the effect of the environment in young placed with new mothers | |
| a compromise between the benefits of nutrition and the costs of obtaining food | |
| complex behavior effecting navigation that may be by detection of earth’s magnetic field | |
| - the establishment of a memory that reflects the environments spatial structure | |