| A | B |
| predation | relationship where one organism kills and eats another |
| symbiosis | a relationship between two organisms that may help or harm them |
| predator | organism that kills and eats another organism |
| prey | organism that is killed and eaten by another organism |
| range | the area where a population of organisms is found |
| cooperation | organisms working together for a common purpose |
| competition | a struggle between organisms for the same resources |
| limiting factor | a factor that limits how large a population can grow |
| carrying capacity | the highest number of a population that an environment can support |
| population | a group of the same organisms in the same place |