Across
- 3. the physical place where something lives
- 4. The alternate rise and fall of the sea
- 7. Animals that feed on other living animals but don't kill
- 8. animals that are eaten by other animals
- 9. The shedding of a exoskeleton, usually done by crabs
- 10. Animals that feed on pants and seaweed
- 11. Numerous water-filled fleshy tubes used by echinoderms
Down
- 1. Animals that suck in water containing food
- 2. animals that feed on decayed animal and plant matter
- 5. Microscopic plants and animals that float or drift in the sea
- 6. Animals with back bones
- 12. escape or to get away