Chapter 9A: Sponges and Cnidarians

123456789101112131415161718192021
Across
  1. 3. cnidarian feeding style where they prey on other animals
  2. 4. middle layer of embryonic tissue that gives rise to muscles, the reproductive system and other organs
  3. 7. feeders animals that eat food particles suspended in the water
  4. 9. slender, finger-like extensions used to capture and handle food
  5. 11. unique stinging structures found within cnidocytes
  6. 13. the cylindrical ciliates larva stage of a cnidarian
  7. 15. protein that are tough, elastic fibers and makes up a sponges skeleton
  8. 16. the form of a cnidarian that is bell shaped; like an upside down polyp adpated for swimming
  9. 18. the form of a cnidarian that attaches with the mouth and tentacles oriented upwards
  10. 19. type of symmetry cnidarians display
  11. 20. the tiny pores in the sponge where water enters
  12. 21. living permanently attach to the bottom or another hard surface
Down
  1. 1. the large opening at the top of a sponge where water exits
  2. 2. spawning the releasing of gametes into the water
  3. 5. sponges are among the structurally _____ multicellular animals
  4. 6. feeders suspension feeders who filter food particles
  5. 8. transparent siliceous or calcareous supporting structures of different shapes and sizes
  6. 10. a grouping of specialized interconnected nerve cells that transmit impulses in all directions
  7. 12. the term for a drastic change from the larva to a juvenille
  8. 14. the phylum name for the cnidarians
  9. 17. the phylum name for the sponges