Across
- 3. Type of environmental change that occurs over time
- 4. Type of environmental change that occurs over space
- 6. A diagram showing species distribution along a transect
- 7. A factor in the environment that is not alive, like temperature or soil
Down
- 1. Tool used to measure biotic and abiotic factors along a gradient
- 2. Predictable changes in communities along an environmental gradient
- 4. Gradual replacement of one community by another over time
- 5. Factor that is living or was living, like plants or animals