2. Jeopardy $100 $200 $300 $400 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 Final Jeopardy Final Jeopardy Jellies Sea Anemones CoralsHydroidsCnidarians

3. 1 - $100 In general, these animals have a radial symmetry, no brain, a simple nerve net, a sac- like digestive track, and tentacles. In general, these animals have a radial symmetry, no brain, a simple nerve net, a sac- like digestive track, and tentacles. Cnidarians Cnidarians

4. 1 - $200 Cnidarians use these either chemically or mechanically to feed. Cnidarians use these either chemically or mechanically to feed. Triggers Triggers

5. 1 - $300 A coiled thread with a barb containing a paralyzing toxin is called a A coiled thread with a barb containing a paralyzing toxin is called a Nematocyst Nematocyst

6. 1 - $400 Gastrodermis means this Gastrodermis means this “stomach skin” “stomach skin”

7. 1 - $500 Cnidarians are further divided into these three classes Cnidarians are further divided into these three classes Scyphozoa, Anthozoa, and Hydrozoa Scyphozoa, Anthozoa, and Hydrozoa

8. 2 - $100 A jellyfish has a simple nervous system based on this A jellyfish has a simple nervous system based on this Nerve net. Nerve net.

9. 2 - $200 An invertebrate does not have a An invertebrate does not have a backbone backbone

10. 2 - $300 The jellylike mass lying between the two membranes of the medusa is called this The jellylike mass lying between the two membranes of the medusa is called this Mesoglea. Mesoglea.

11. 2 - $400 Jellyfish are members of this class Jellyfish are members of this class Scyphozoa Scyphozoa

12. 2 - $500 DAILY DOUBLE This part of a jellyfish allows for reproduction, ingestion, and locomotion. This part of a jellyfish allows for reproduction, ingestion, and locomotion. medusa medusa

13. 3 - $100 Anthozoa means this Anthozoa means this “flower animal” “flower animal”

14. 3 - $200 An adult sea anemone lives as this. The sea anemone retracts its tentacles into this as well. An adult sea anemone lives as this. The sea anemone retracts its tentacles into this as well. Polyp Polyp

15. 3 - $300 When a large object touches a sea anemone, its initial response is this. When a large object touches a sea anemone, its initial response is this. It contracts It contracts

16. 3 - $400 Some shrimp provide these services to sea anemones Some shrimp provide these services to sea anemones A good cleaning and some protection from predators A good cleaning and some protection from predators

17. 3 - $500 Participants of symbiosis are termed this Participants of symbiosis are termed this Symbionts Symbionts

18. 4 - $100 Coral comes in these two main varieties Coral comes in these two main varieties Soft and hard

19. 4 - $200 The Western Hemisphere’s largest coral reef system is off the coast of this country The Western Hemisphere’s largest coral reef system is off the coast of this country Belize Belize

20. 4 - $300 Living in large groups coral are considered as these type of animals Living in large groups coral are considered as these type of animals colonial colonial

21. 4 - $400 Coral produce a limestone reef with this chemical compound Coral produce a limestone reef with this chemical compound CaCO 3 or calcium carbonate CaCO 3 or calcium carbonate

22. 4 - $500 DAILY DOUBLE Coral’s symbiotic buddy and what they provide Coral’s symbiotic buddy and what they provide Zooanthellae and a daily meal Zooanthellae and a daily meal

23. 5 - $100 This cnidarian resembles a plant This cnidarian resembles a plant hydroid hydroid

24. 5 - $200 DAILY DOUBLE A much feared Hydroid colony with the Latin name of Physalia is commonly known as this A much feared Hydroid colony with the Latin name of Physalia is commonly known as this Portuguese man-o-war Portuguese man-o-war

25. 5 - $300 This helps keep the Physalia colony afloat. This helps keep the Physalia colony afloat. A gas filled bag A gas filled bag

26. 5 - $400 A tentacle’s stinging cells are called this A tentacle’s stinging cells are called this cnidoblasts cnidoblasts

27. 5 - $500 Inside each stinging cell is a coiled thread with a barb containing a paralyzing toxin describes this Inside each stinging cell is a coiled thread with a barb containing a paralyzing toxin describes this nematocyst nematocyst

28. Final Jeopardy The largest of all Jellyfish, grows up to 2 meters wide and 40 meters long, is known as this The largest of all Jellyfish, grows up to 2 meters wide and 40 meters long, is known as this Lion’s Mane Jellyfish Lion’s Mane Jellyfish