| A | B |
| Climax Community | The group of organisms that will stay the same for a long time in one area. |
| Community | All living things in one area. |
| Ecological Succession | One community turns into a new community. |
| Limiting Factor | Anything that caps on the number of organisms living there. |
| Primary Succession | The first time plants move into an area. |
| Secondary Succession | Plants move back into an area. |
| Tolerance | How much of something an organism can take. |
| The best biology teacher | Mr. Kellerhouse |