pz sponges2

Sponges, Cnidarians, & Ctenophorans

Across 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 Down 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