Unit 4 Review

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Across
  1. 1. Flatworm
  2. 5. Part of the sponge that helps move water throughout its body
  3. 6. Cnidarian connected to an object; hydra, sea anenome
  4. 9. Section of tapeworm that contains reproductive parts
  5. 10. The second skin layer in an organism
  6. 12. Barb of the cnidarian that delivers a venomous sting
  7. 15. Cnidarian that is NOT connected to ground; jellyfish
  8. 16. The "stomach" of the Cnidarian and worms that is not present in the sponge
Down
  1. 1. The "mouth" of the worm
  2. 2. Has both male and female reproductive organs
  3. 3. An animal with a true body cavity
  4. 4. Head of tapeworm
  5. 6. A type of flatworm
  6. 7. An organism with a body cavity that is not derived from the mesoderm
  7. 8. Part of the flatworm
  8. 11. The part of the cnidarian that aids in the stinging
  9. 13. Top hole of the sponge
  10. 14. Roundworm