Across
- 4. The process of a body of water becoming nutrient rich.
- 7. A stable community that no longer goes through major ecological changes.
- 8. The process of one ecological community gradually changing into another.
Down
- 1. Ecological succession in areas where existing ecosystems have been disturbed or destroyed.
- 2. When contaminants, also known as pollutants, are brought into an environment and cause negative change.
- 3. Ecological succession in new areas of land with little or no soil or vegetation.
- 5. Balance between different parts of the ecosystem.
- 6. Any activity that takes resources from nature.