| A | B |
|---|
| species | a group of living things that can breed |
| population | a group of organisms of the same species that live in the same area |
| habitat | the natural environment in which a living thing gets all that it needs to live |
| niche | the role a living thing plays in its habitat |
| community | all the populations that live and interact with each other in a particular |
| predator | an animal that feeds on other animals |
| prey | an animal that is eaten by another animal |
| competition | the struggle between two or more living things |
| symbiosis | a relationship between two different species that live closely together |
| mutualism | a relationship between two species in which both benefit |
| commensalism | relationship between two species where one benefits without harming the other |
| parasitism | relationship where one species is harmed and the other benefits |
| limiting facotr | a condition that prevents the continuing growth of a population in an ecosystem |
| carrying capacity | the maximum size that a population can reach in an ecosystem |
