| A | B |
| Organism | a living thing |
| Environment | all the things that surround an organism |
| Adaptation | a behavior that helps an organism survive in its environment |
| Food chain | the way food passes from one organism to another |
| Prey | an organism that is captured and eaten by another organism |
| Habitat | the place where an organism lives |
| Predator | an organism that captures and eats other organisms |
| Producer | an organism that makes its own food |
| Consumer | an organism that eats food |
| Community | all the plants, animals, and other organisms that live and interact in the same place |
| Population | organisms of the same kind that live in the same place at the same time |