Across
- 2. gasses and trash that kills ocean life
- 6. A large body of water
- 7. The study of animals
- 9. A marine plant that keeps the ocean healthy
- 10. A mouth of a river
- 11. What animals and plants need for energy
- 12. A living thing
Down
- 1. A rotation of water process
- 3. when one animals eats another animal repeat
- 4. A home to all ocean animals
- 5. When a animal meets another animal or plant
- 8. animals that live in the water
