1. Jeopardy Final Jeopardy Porifera Cnidaria Nematoda Annelida $100 $100
Platyhelminthes
Nematoda
Annelida
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Final Jeopardy

2. 1 - $100
What type of animals belong to this phylum?
sponges

3. 1 - $200
This term means an organism spends its entire life in one spot.
sessile

4. 1 - $300 This is the way in which sponges obtain their food.
Filter feeders: filtering food particles out of the water

5. 1 - $400
What is a porocyte?
Pore in the sponge where water enters.

6. 1 - $500
These cells have flagella attached to them and function in circulating water through the sponge.
choanocytes

7. 2 - $100 What type of animals belong to this phylum?
Jellyfish, hydras, sea anemones, corals

8. 2 - $200
What happens in the gastrovascular cavity?
Digestion

9. 2 - $300 What is the difference between a cnidocyte a nematocyst?
Cnidocytes are the stinging cells; nematocysts contain the barb (stinging structure)

10. 2 - $400
These are specialized cells used to sense the direction of gravity.
statocysts

11. 2 - $500
Sea Anenomes belong to what class?
Anthozoa

12. 3 - $100
What type of animals belong to this phylum?
flatworms

13. 3 - $200
These structures are used to detect light
eyespots

14. 3 - $300
Most free-living flatworms have both male and female parts. This means they are what?
Hermaphrodites

15. 3 - $400 Diffusion is key in flatworms for what two purposes?
Respiration and excretion

16. 3 - $500
This is a general name for parasitic flatworms
tapeworm

17. 4 - $100
What type of animals belong to this phylum?
roundworms

18. 4 - $200
Roundworms have ________________ digestive system.
complete

19. 4 - $300 Respiration and excretion are performed by what process?
diffusion

20. 4 - $400 Most roundworms are ___________________ have separate sexes.
dioecious

21. 4 - $500
These type of worms can cause elephantiasis.
Filarial worms

22. 5 - $100 What type of animals belong to this phylum?
Earthworms, leeches, sandworms, bloodworms

23. 5 - $200
This organ acts as a stomach and stores food.
crop

24. 5 - $300
Annelids have a _____________ circulatory system.
closed

25. 5 - $400
Earthworms are hermaphrodites, but do not:
Self-fertilize

26. 5 - $500
List all the organs, from anterior to posterior, found in the digestive system of an earthworm
Mouth ->pharynx -> esophagus -> crop -> gizzard -> intestine -> anus

27. Final Jeopardy
Explain how annelids are important from an ecological standpoint.
Aerate soil, provide passageways for plants and roots, feces are rich in nutrients and act as a fertilizer, serve as a food source for many other organisms