Sponges, Cnidarians, & Ctenophorans


Across
4. live in oceans & seas
5. ability to produce their own light such as the ctenophorans
6. phylum containing sponges
8. organism that lives in the tentacles of coral (Nemo)
9. example of a freshwater cnidarian
10. underwater islands that from from the limestone cases of corals
14. flexible extensions that surround the mouth of cnidarians
15. material between the body wall of sponges for support
16. cells in sponges that beat their flagella to bring in water
17. protein fibers making up the simple skeleton of a sponge
18. how animals like sponges feed
19. regeneration is an example of this type of reproduction
20. class of cnidarians containing the Portuguese man of war
23. live attached to surfaces
24. bell shaped form of cnidarians with tentacles the hang below the body
27. nervous system shape of cnidarians
28. vase shaped form of cnidarians with upright tentacles
32. phylum in which coral animals are found
33. phylum containing marine comb jellies
34. sponges that produce both eggs & sperm
35. inner cell layer of cnidarians
37. interior body cavity of corals & jellyfish
40. holes in a sponge where water with food enters
Down
1. stinging cells in the tentacles of cnidarians
2. simplest of all animals
3. internal buds formed by sponges during droughts or cold weather
7. cnidarians have this arrangement of body parts
11. outer cell layer of sponges & cnidarians
12. example of a marine cnidarian
13. class of cnidarians containing corals
16. cells of ctenophorans that eject a sticky substance to capture prey
21. sponge has this arrangement of body parts
22. a sponge's ability to regrow missing body parts
25. any animal such as sponge without a backbone
26. tiny hard spikelike calcium carbonate or silicon dioxide particles
 in a sponges skeleton
29. large opening at the top of a sponge where excess water & wastes leave
30. number of cells in the body wall of sponges
31. coiled filament inside a stinging cell of jellyfish
36. free swimming larval stage of jellyfish
38. movable cells in a sponge that can pick & deliver food to other cells
39. class of cnidarians containing jellyfish