Ecosystem
Across
- 2. flow in the stream
- 4. matter
- 6. like sides
- 9. means life
- 11. branch of biology
- 12. that soaks in
- 13. understanding
- 14. atoms
- 15. organisms
- 16. and phosphorus
Down
- 1. down ground
- 3. and ponds
- 5. of the ecosystem
- 6. banks
- 7. thing
- 8. close body of water
- 10. ecosystems
- 12. quality