1. The body plan (symmetry) of a sponge. Porifera 100

2. One of the structural supports in a sponge. Porifera 200

3. Cells that trap food. Porifera 300

4. Cells that make structural supports. Porifera 400

5. Phrase that describes the sponge strategy for sexual reproduction Porifera 500

6. Type of symmetry. Ctenophora and Cnidaria 100

7. Characteristic that all cnidarians share and are named for. Ctenophora and Cnidaria 200

8. One of two classes of cnidarians that are considered to be true jellies. Ctenophora and Cnidaria 300

9. Characteristic unique to ctenophores that helps them move. Ctenophora and Cnidaria 400

10. Class of cnidarians that exist only as a polyp. Ctenophora and Cnidaria 500

11. Phylum of worms in which a central nervous system first appeared in the evolutionary history of animals. Worms 100

12. Free-swimming flatworms known for their beautiful colors. Worms 200

13. Phylum of worms known for having a long proboscis for catching prey. Worms 300

14. Phylum of worms that show segmentation of body parts. Worms 400

15. Group of annelid worms that includes Christmas tree and feather duster worms. Worms 500

16. Part of a mollusc that makes the shell. Molluscs 100

17. Class of molluscs with two shells. Molluscs 200

18. Structure in the mouth with serrated edges. Molluscs 300

19. Structure used for jet propulsion in cephalopods and for feeding in bivalves. Molluscs 400

20. Structure used for moving in gastropods and some bivalves. Molluscs 500

21. Double Jeopardy

22. Colonial anthozoans. Cnidaria 200

23. Type of dinoflagellate that lives inside corals. Cnidaria 400

24. Colonial floating hydra that is often confused with a true jellyfish. Cnidaria 600

25. Life stage of true jellies which produces egg and sperm. Cnidaria 800

26. Name of the innermost layer of tissue. Cnidaria 1000

27. Periwinkles use their radula to do this. Gastropods and Bivalves 200

28. These types of bivalves are the only ones that can swim. Gastropods and Bivalves 400

29. One of two local snails that uses the radula for drilling into the shells of other molluscs. Gastropods and Bivalves 600

30. Type of bivalve that forms reef structures. Gastropods and Bivalves 800

31. Gastropods without shells. Gastropods and Bivalves 1000

32. Arms and tentacles are modified versions of this structure. Cephalopods 200

33. Type of cephalopods with an external shell. Cephalopods 400

34. Pigment cells used for camouflage. Cephalopods 600

35. Structure in a squid that is the remnant of a shell. Cephalopods 800

36. The ability of an octopus to fit through a given space is dependent on the size of this structure. Cephalopods 1000

37. An organism that has both male and female reproductive organs. Vocabulary 200

38. Type of reproduction in which an organism ejects mass quantities of eggs and or sperm into the water. Vocabulary 400

39. The word we use to describe organisms that must consume other organisms in order to obtain energy. Vocabulary 600

40. All animals are made of this type of cell. Vocabulary 800

41. This is the term we use to describe an organism that does not move when it is an adult. Vocabulary 1000

42. Final jeopardy category Cephalopods

43. The shell remnant in a cuttlefish.