Sponges Puzzles 2


Sponges, Cnidarians, & Ctenophorans


4. class of cnidarians containing jellyfish

6. number of cells in the body wall of sponges

8. how animals like sponges feed 9. holes in a sponge where water with food enters

13. simplest of all animals

14. underwater islands that from the limestone cases of corals

15. internal buds formed by sponges during droughts or cold weather

16. flexible extensions that surround the mouth of cnidarians

21. vase-shaped form of cnidarians with upright tentacles

22. outer cell layer of sponges & cnidarians

25. phylum containing marine comb jellies

26. class of cnidarians containing corals

27. cells in sponges that beat their flagella to bring in water

29. class of cnidarians containing the Portuguese man of war

32. phylum in which coral animals are found

33. nervous system shape of cnidarians

34. example of a freshwater cnidarian

35. a sponge’s ability to regrow missing body parts

36. regeneration is an example of this type of reproduction

37. free swimming larval stage of jellyfish

39. live attached to surfaces



1. sponges that produce both eggs & sperm

2. organism that lives in the tentacles of coral (Nemo)

3. inner cell layer of cnidarians

5. stinging cells in the tentacles of cnidarians

7. large opening at the top of a sponge where excess water & wastes leave 10. phylum containing sponges 11. interior body cavity of corals & jellyfish 12. coiled filament inside a stinging cell of jellyfish

13. protein fibers making up the simple skeleton of a sponge

17. movable cells in a sponge that can pick & deliver food to other cells

18. example of a marine cnidarian

19. bell shaped form of cnidarians with tentacles the hang below the body 20. ability to produce their own light such as the ctenophorans

23. cnidarians have this arrangement of body parts

24. cells of ctenophorans that eject a sticky substance to capture prey

28. sponge has this arrangement of body parts

30. live in oceans & seas 31. any animal such as sponge without a backbone 38. material between the body wall of sponges for support

40. tiny hard spikelike calcium carbonate or silicon dioxide particles in a sponges skeleton