Across
- 1. The uppermost layer of the ocean, where sunlight penetrates
- 5. An underwater mountain rising from the ocean floor that does not reach
- 6. layer in a body of water where the temperature changes rapidly with
- 8. Aquatic animals that can swim and move independently of water currents.
- 9. layer in a body of water where the temperature changes rapidly with
- 10. The middle layer of the ocean, receiving very little light
- 13. Organisms that live on, in, or near the seabed.
- 14. secreted by corals
- 16. disturbances
- 17. The concentration of salts in water
- 21. A series of ocean waves with extremely long wavelengths caused by
- 23. flows
- 24. the extended perimeter of each continent, which lies
- 25. The deep ocean layer, where no sunlight reaches
- 27. The deepest layer of the ocean, found in ocean trenches
Down
- 2. The steep slope where the continental shelf drops to the deep
- 3. A diverse underwater ecosystem held together by calcium carbonate
- 4. Small and microscopic organisms drifting or floating in the sea
- 7. An underwater mountain range formed by plate tectonics
- 11. The layer of the ocean at depths between 4,000 and 6,000
- 12. surface
- 15. A deep, narrow depression in the ocean floor, often caused by tectonic
- 18. An opening in the sea floor out of which heated mineral-rich
- 19. A flat, almost level area of the deep-ocean basin
- 20. The rising of cold, nutrient-rich water from deep in the ocean to the
- 22. under relatively shallow seas
- 26. floor