Across
- 4. An animal with soft bodies and protected by their closed shells.
- 11. Pumps the oyster’s blood
- 12. Fancy, unique
- 13. Hard outer covering made of the mineral calcium carbonate that protects the oyster
- 16. To harvest or catch too much
- 17. Digests algae caught in gills
- 18. Provides a place of home, protects coastlines and keeps water clean
- 20. Pumps water through body to filter out algae and bacteria to eat
- 21. Broken up pieces of sand and soil. Sediment.
- 22. Filter oxygen, algae, and particles from water
- 23. Sorts and transfers food from the gills to the digestive tract
- 24. Tiny, immature
- 25. Garbage and bacteria particles in water
Down
- 1. Rising water pushed onto land, which can cause floods.
- 2. A community of organisms interacting with their nonliving environment
- 3. Skin-like covering that protects the oyster’s organs
- 5. Far down underneath
- 6. Opens and closes the shell
- 7. Losing their place to live
- 8. Species A vital species, an important part of their ecosystem.
- 9. A tool for measurement
- 10. An animal under water, a delicacy.
- 14. Holds the two halves of the oysters shell together
- 15. Rare
- 19. To pull up