sponges and cnidarians

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Across
  1. 1. cells that filter the nutrients using mucus.flagella are attached
  2. 4. one parent
  3. 5. breaking off of a body part which becomes a new and identical cnidarian
  4. 6. cells outside protective cells
  5. 8. creates energy in its own body
  6. 11. obtains energy from outside sources (eats or absorbs)
  7. 12. hairlike structures that wave about and create currents
  8. 13. large opening at the top of the sponge to let material out
  9. 14. no movement
Down
  1. 2. 2 parents
  2. 3. specialization of many cells
  3. 7. cells that move and transport nutrients and sperm.form spicules
  4. 9. small openings along sponge that let material into the sponge
  5. 10. movement
  6. 15. sharp rigid structures used for support