Zoology Unit 2 Vocabulary

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Across
  1. 3. Animal with no body cavity
  2. 5. Concentration of sensory organs and nervous tissue at the head
  3. 6. In Squid, muscular tube that shoots out water
  4. 9. In Cephalopods, part of the body used to tear food
  5. 11. In Cephalopods, extensions of the mantle that allow them to steer in the water
  6. 14. Collection of nerve cells that can act as a simple brain
  7. 16. In earthworms, where the worm stores the other worm's sperm
  8. 17. In Mollusks, part of the body where organs are stored
  9. 18. Muscular tube used to eat food
  10. 20. Possessing either male or female reproductive gametes
  11. 23. Animal with a true or complete body cavity
  12. 24. In Cephalopods, pigmented cells that allow them to change color
  13. 26. Simple eyes located at the head that sense light
  14. 27. In Bivalves, the parts of the body that bring in and expel water
  15. 28. Layer of protective cells on the outside of a tapeworm that protect it from the host’s immune system
  16. 30. Process in Gastropods that results in rotation of the visceral mass
  17. 31. In earthworms, the structure outside the body where the worm stores fertilized eggs
Down
  1. 1. Animal with a false or incomplete body cavity
  2. 2. In animals, the splitting of parts of the body into discrete regions
  3. 4. In Gastropods, the structure used to scrape food
  4. 7. In Mollusks, the part of the body that secretes the shell
  5. 8. In Bivalves, the muscles used to open and close the shell
  6. 10. In Bivalves, the material that makes up the inner part of the shell as well as pearls
  7. 12. In earthworms, where the worm stores its own sperm
  8. 13. In Bivalves, are used to transfer collected food to the mouth
  9. 14. In Bivalves, part of the body that captures food and exchanges gases for breathing
  10. 15. In Cephalopods, shorter appendages that have suckers all the way up and down
  11. 19. In Cephalopods, longer appendages that only have suckers at the ends
  12. 21. Possessing both male and female reproductive gametes
  13. 22. In Mollusks, muscular structure used for movement
  14. 25. Part of a tapeworm that attaches to the lining of the host’s intestine
  15. 29. In Bivalves, knob-like structure that is the oldest part of the shell