Bring Back Oysters
Across
- 1. A tool, similar to a ruler, that measures the growth of things
- 5. What pumps blood in a living body
- 7. A part of the body of a oyster the sorts and transfers food of from the gills to the digestive tract
- 10. Surges When rising water is pushed onto land, causing a flood
- 11. When animals grow on top of one another
- 14. A part of the body of a oyster that filters oxygen, algae, and particles from the water
- 15. Waves that wash away sand and soil
- 20. Animals that are vital to the ecosystem
- 23. What opens and closes as a shell
- 24. Pulling something up with ropes
- 25. Holds the two halves of an oyster's shell together
Down
- 2. A hard outer covering
- 3. Digest algae caught in gills for this animal
- 4. A type of oyster
- 6. Feeders Animals that cleans/remove pollution by eating.
- 8. The immature form of an animal
- 9. Something rare or expency
- 12. environment in which it becomes extinct due to human fault
- 13. Environmental contamination
- 16. Extreme harvest
- 17. Skin-like covering that protects the oyster’s organs
- 18. Endangered, put at risk
- 19. An animal who has a delicate body living of a shell
- 21. Being under water
- 22. A community of organism interacting with their nonliving environment