| Term | Definition |
| desert | Biome with very little rainfall |
| precipitation | Water that falls to earth as rain or snow |
| fire | Indians maintained artificial communities by using ______ |
| grasslands | This is an example of a climax community maintained by fire |
| water cycle | The path water takes through an ecosystem |
| sea oat | One of the main plants that protect sand dunes from erosion |
| succession | Changes that take place in a community as it ages |
| community | All the living things in an area that depend on each other |
| ecology | Study of how living things interact with each other and their environment |
| Weather | State of atmosphere over a short period of time |
| Tundra | Biome that includes a layer of permanently frozen ground |
| Swamp | One of the last stages in the succession of a pond |
| Nitrogen cycle | Reusing of nitrogen in an ecosystem |
| Ecosystem | Community interacting with the environment |
| Taiga | Evergreen trees are the main plant life in this biome |
| Rainforest | Biome that has rainfall almost daily |
| Biome | Land area with a distinct climate and with specific types of plants and animals |
| Aquatic | Watery environments |
| Climate | Light, temperature, and precipitation taken over many years |
| Climax | Last or final stage of succession in a community |
| Grasses | The grassland biome is dominated by ______ |