Across
- 5. substances that help living things grow
- 6. a dark layer with no sunlight
- 7. different layers or areas of the ocean
- 10. scientists who study the ocean
Down
- 1. a dim layer with very little light
- 2. a very deep and dark part of the ocean
- 3. light made by living organisms
- 4. the top layer of the ocean where light reaches
- 8. the deepest parts of the ocean floor
- 9. the force from water pushing down