| A | B |
| Succession | Plant and animal changes |
| Primary Succession | Area were no organisms existed |
| Pioneer Species | The first organism to grow in a specific area |
| Secondary Succession | A community that is disturbed by another community |
| Pioneer Community | The first community to appear after another community is disrupted. |
| Dominat Species | Are the most strongly community that affect other communities. |
| Climax Community | The stage of development that affects plants, animals, and other organisms |
| Reclamation | Replacing the top soil and re-seeding with grass or trees |
| Lichens | The first organisms to grow after a violent distruction |
| Rotifers | Simple animals that feed on protists |
| Protists | The first organisms to appear in the water |