Algae & invertebrates

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Across
  1. 7. floating body plan with bell-shape
  2. 8. gives protection from all sides
  3. 10. digestive process begins in these
  4. 11. vase-shaped form
  5. 14. produces both eggs and sperm
  6. 15. Digestion that occurs outside the cell
  7. 17. mirror images to each other
  8. 18. thin layer of jelly-like material
  9. 19. animals without a backbone
  10. 20. ability to regrow body parts
Down
  1. 1. They glow!
  2. 2. marine animal with spherical symmetry
  3. 3. characterized comb-plates
  4. 4. carry food and nutrients into the animal
  5. 5. toxin causes itching, pain,etc.
  6. 6. Simplest animals…
  7. 9. Common name: sponges
  8. 12. 97% of all animals species are...
  9. 13. tentacles armed with stinging cells
  10. 16. organisms with no definite shape