Across
- 4. Practices that help maintain ecological balance.
- 7. A community of living organisms and their environment.
- 10. Tiny marine animals that build reefs.
- 12. Equipment that allows divers to breathe underwater.
- 14. To go underwater for exploration.
- 15. The natural environment where an organism lives.
Down
- 1. The variety of life in a particular habitat.
- 2. An animal that hunts other animals for food.
- 3. Organs fish use to breathe underwater.
- 5. A marine animal often found in coral reefs, home to clownfish.
- 6. A structure formed by coral in the ocean.
- 8. A close relationship between two different species.
- 9. The ability of an animal to blend in with its environment.
- 11. Tiny organisms that drift in ocean currents, forming the base of the food chain.
- 13. A colorful fish known for its venomous spines.