Across
- 2. upper tide
- 6. waste or debris
- 8. feeds on organic matter
- 9. holds seaweed to bottom
- 11. the fight for food and habitat
- 13. resources that are limited
- 14. feed on plankton
- 15. main producers of food web
- 19. transition between ocean and land
- 23. nitrogen converted to ammonium
- 25. the hottest it can get
Down
- 1. very high tides
- 3. mollusk
- 4. the place an organism lives
- 5. lower tide
- 7. organ that helps bony fish float
- 10. active plates
- 12. composite organism
- 16. the group of species and the area
- 17. plants do this and release oxygen
- 18. one high one low tide
- 20. tides low tides
- 21. solid part of earth that moves like liquid
- 22. feeding structures
- 24. the range of tide heights