BIOL N107 Chapter 9

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Across
  1. 5. sessile, often asexual form of cnidarians
  2. 7. comb jelly phylum
  3. 8. box jellyfish class
  4. 9. sometimes cellular, acellular and cells may be homologous to mesoderm
  5. 11. inner lining and more muscle like cells for feeding, and reproduction in cnidaria
  6. 13. outer epithelial layer made of pinacocytes and porocytes
  7. 15. planula settle and develope into a colony of polyps conected by a
  8. 17. acoelomate worm phylum
  9. 20. allow for some body movement (change body shape)
  10. 22. coral(hard and soft) class
  11. 25. specialized cnidocyte used for subduing prey and defence
  12. 26. inner epithelial layer that is lined with choanecytes
  13. 29. feeding polyps
  14. 31. outer covering and muscle like cells for movement in cnidaria
  15. 32. flat ANIMAL phylum
Down
  1. 1. cavity with a single opening at the oral end (digestion, exchange, production and discharge of gametes)
  2. 2. made of silica or calcium carbonate
  3. 3. the water animal class and only class with freshwater representatives
  4. 4. skeleton that relies on the buoyancy of water for support
  5. 6. one or more larger openings that are excurrents for water
  6. 10. free swimming form of cnidarians(bell shape characteristic)
  7. 12. only present in hydrozoa class
  8. 14. amoeboid cells
  9. 15. true jellyfish class
  10. 16. lack medusa stage
  11. 18. jellyfish, corals, and anemone phylum
  12. 19. (two words no space) most ancestrial form of nervous tissue lies between epidermis and mesoglea
  13. 21. specialized cell that detect gravity
  14. 23. reproductive polype produces medusae
  15. 24. sponge phylum
  16. 27. collagenous extracellular matrix between pinacoderm and choanoderm
  17. 28. made of collagen fibers
  18. 30. small openings that are incurrents for water