| A | B |
|---|
| organisms | living things |
| respond | when an organism reacts to the world around it |
| reproduce | make more of one's own kind |
| environment | all the living and non-living things that surround an organism |
| community | the living part of the environment |
| resources | substances (ie. water, soil) in an environment that help living organisms survive |
| competition | the struggle among living things for resources |
| territory | the space or area that an animal defends against other animals |
| niche | the role of the organism in its environment |
