Avion.apple Create a Crossword Puzzle - Vocabulary

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Across
  1. 2. a form of asexual reproduction in which a new organism develops from an outgrowth or bud on another one
  2. 6. the free-swimming, ciliated larva of a cnidarian
  3. 8. relating to the bottom of a sea or lake
  4. 11. Feeder: an organism that feeds by filtering organic matter or food particles from water
  5. 14. a fibrous protein that forms the skeletal framework of certain sponges
  6. 17. having the male and female reproductive organs in separate individuals
  7. 18. fixed in one place; immobile
  8. 19. small organisms that float or drift in the sea or fresh water
  9. 20. the immature and often wingless feeding stage of an insect
  10. 21. small pores in a sponge through which water enters
  11. 22. capable of contracting or shrinking
Down
  1. 1. the central cavity of a sponge
  2. 3. a more complex form of sponge body plan
  3. 4. whip-like appendages that allow for movement in certain cells
  4. 5. a cylindrical body form in the life cycle of some cnidarians
  5. 7. the simplest form of sponge body plan
  6. 9. organisms that have both male and female reproductive organs
  7. 10. a free-swimming, umbrella-shaped body form in the life cycle of some cnidarians
  8. 12. a small, spike-shaped structure in a sponge's skeleton
  9. 13. the most complex form of sponge body plan
  10. 15. having both male and female reproductive organs in the same individual
  11. 16. a large opening in a sponge through which water is expelled