Mollusks Crossword

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Across
  1. 3. many mollusks have special mouthparts adapted for vegetation because they are
  2. 5. clams, mussels, scallops, and oysters are this (plural)
  3. 8. snails slide on this
  4. 10. squids and octopuses do this to water to move
  5. 15. provides space for respiratory organs
  6. 16. slow moving aquatic mollusks feed like this
  7. 17. all mollusks have this for attachment or movement
  8. 20. cuttlefish, squids, octopuses, and nautiluses are this (plural)
  9. 22. use a single shell(plural)
Down
  1. 1. worlds largest invertebrate
  2. 2. the cephalopods have this type of different system
  3. 4. when clams and mussels cannot move
  4. 6. squids have this type of fertilization
  5. 7. all mollusks have two openings in this system
  6. 9. most mollusks reproduce this way
  7. 10. clams have this type of fertilization
  8. 11. squid and octopuses are this type of feeder (singular)
  9. 12. respiratory structure(plural)
  10. 13. no shell (singular)
  11. 14. soft outer tissue layer of mollusks
  12. 18. double shell (plural)
  13. 19. clams use their foot as this
  14. 21. most mollusks have this circulatory system