Across
- 2. different positions in the food chain
- 4. Portion of land drained by a river
- 7. water held underground
- 8. an organism biological community/ environment
- 10. breaks down organic material
- 11. how plants and animals are connected
Down
- 1. Water that is safe to drink
- 3. Tide meets the stream
- 5. water collected on the surface of the ground
- 6. extends from the surface to 200 meters
- 9. A non-living organism