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