Bringing Back Oysters

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Across
  1. 3. To occur when rising water is pushed onto land
  2. 6. Digests algae caught in the gills
  3. 8. Holds the two halves of the oyster’s shell together
  4. 10. A adjustable tool to measure things
  5. 13. To be vital to their ecosystem
  6. 15. A hard layer to protect you
  7. 17. To have ability to open and close the shell
  8. 20. Where you were born from
  9. 21. A nickname for oysters
  10. 22. When you lose your habitat
  11. 23. Helps you breathe while your underwater
Down
  1. 1. When throwing harmful chemical to an environment
  2. 2. To bring or pull something up
  3. 3. To go or put something underwater
  4. 4. To pump water through their body
  5. 5. To have a shell smaller than the first
  6. 7. To pump blood into your body
  7. 9. To do something bad
  8. 11. To be rare or hard to find
  9. 12. Something a oysters form
  10. 14. When you harvest to much that cause danger to the ecosystem
  11. 16. Sorts and transfers food from the gills to the digestive tract
  12. 18. To block waves that can wash away sand and soil
  13. 19. Soft bodies are protected inside closed shell
  14. 21. Skin-like covering that protects the oyster’s organs