Phylum Cnidaria

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Across
  1. 4. Lines the gastrovascular cavity
  2. 7. Asexual reproduction in Cnidarians
  3. 9. Immature, free-swimming medusae formed from strobila
  4. 11. Polyp with many segments, each of which can become a jellyfish
  5. 12. Outer cell layer of an adult cnidarian
  6. 13. Hydra body form
  7. 15. Type of symmetry in Cnidarians
  8. 16. Organelle in cnidocyte resembling a coiled harpoon
  9. 17. Sensory structures used for balance and eyesight in jellyfish
  10. 19. Stationary
  11. 21. Most recently recognized class of Cnidarian
  12. 23. Happens when corals become stressed and expel their algae
  13. 25. Corals use these small organisms to supplement their nutrition
Down
  1. 1. Forms when buds do not detach from parent
  2. 2. Most diverse class of Cnidarian
  3. 3. Most venomous animal in the world
  4. 5. Class of the most venomous Cnidarians in the world
  5. 6. Class of hydra
  6. 8. The four horse-shoe shaped structures of a moon jelly
  7. 10. Mobile larva of a jellyfish
  8. 11. Class of cup animals that live mostly in the medusa stage
  9. 14. Body form of free-swimming jellyfish
  10. 18. Middle jelly-like layer in Cnidarians
  11. 20. Anchors polyps to a substrate
  12. 22. Type of Cnidarian nervous system
  13. 24. Stinging cells