Across
- 2. jets of hot water and minerals on the ocean floor
- 4. differing conditions from upper to lower layers
- 5. tiny, free-floating plants that support a marine food web
- 8. among the best known marine ecosystems
- 12. bacteria that don’t use oxygen
- 14. bays where rivers empty into the sea
- 18. occur on the bottom of the ocean
- 20. shallow wetlands flooded regularly with with seawater
- 21. corals expel their algal partnered and die
- 23. earths systems
- 25. shallow ecosystems where the land is submerged for part of the year
Down
- 1. 20 meter layer of the ocean where photosynthesis can happen
- 3. comprise the water column
- 6. the path of water through our environment
- 7. low, narrow, sandy, islandsThat form parrallel to a coastline
- 9. land-based
- 10. occur in coastal areas where excess nutrients stimulate bacterial growth that consumes almost all oxygen in the water
- 11. trees that grow in salt water
- 13. wooded wetlands
- 15. non living
- 16. drier areas around wetlands
- 17. depressions of rocky shoreline that are flooded at high tide but retain some water at low tide
- 18. living
- 19. differing conditions from upper and lower layers
- 22. environment that often occupies shallow, warm, and sandy areas by coral reefs
- 24. wetlands without trees
