Sponges, Cnidarians, and Arthropods Trivia

Marine Biology

NEW! EACH GROUP GETS A CLICKER WITH A NUMBER!

• No groups larger than 3 individuals!!

• I will still record scores on the board so you can chart progress in the game.

• In order to check that you know how to use the clickers, answer the following question.

PRACTICE QUESTION: NOT COUNTED!

• This is Nemo. He lives in a sea anemone, which is a type of…

• A. sponge• B. cnidarian• C. arthropod

• 1. What kind of symmetry do Cnidarians have?

• A. bilateral• B. radial• C. none aka asymmetry

• 2. Cephalized animals have a distinct “head” containing many sense structures.

• A. true• B. false

• 3. Lobsters, crabs, and crayfish belong in ORDER ________________.

• A. arthropoda • B. mandibulata• C. crustacea• D. decapoda

• 4. Which animal belongs in Class Meristomata?

• A. crayfish• B. horseshoe crab• C. spider crab

• 5. Which appendages on a crayfish are used for moving?

• A. maxillipeds• B. swimmerets• C. antennules• D. mandibles

• 6. What kind of symmetry does a crayfish have?

• A. bilateral• B. radial• C. none aka asymmetry

• 7. Small crustaceans, such as krill, are considered to be…

• A. herbivores• B. carnivores• C. scavengers• D. filter feeders

• 8. What is the gender of the Blue Crab in the picture below?

• A. male• B. female

• 9. What type of animal below is most closely related to a spider?

• A. lobster• B. blue crab• C. horseshoe crab• D. hermit crab

• 10. What type of circulatory system do arthropods have?

• A. open• B. closed• C. none, they use diffusion

• 11. What type of reproduction do arthropods use?

• A. sexual• B. asexual• C. both sexual and asexual

• 12. Shrimp and lobsters usually are considered

• A. filter feeders• B. carnivores• C. herbivores• D. scavengers

• 13. Sponges are considered to be

• A. filter feeders• B. carnivores• C. herbivores• D. scavengers

• 14. What type of reproduction do sponges use?

• A. sexual• B. asexual• C. both sexual and asexual

• 15. This picture shows a cnidarian in the ___________ shape.

• A. polyp• B. medusa

• 16. What type of symmetry to sponges have?

• A. bilateral• B. radial• C. none aka asymmetry

• 17. The first animals on earth to “invent” the ability to move are

• A. sponges• B. cnidarians• C. arthropods

• 18. How does respiration happen in a cnidarian?

• A. diffusion• B. gills• C. book gills• D. lungs

• 19. How does respiration work for a horseshoe crab?

• A. diffusion• B. gills• C. book gills• D. lungs

• 20. What type of fertilization do cnidarians use?

• A. internal• B. external

• 21. What type of reproduction do cnidarians use?

• A. sexual• B. asexual• C. both sexual and asexual

• 22. What type of fertilization do sponges use?

• A. internal• B. external

• 23. This animal is molting. It’s exoskeleton is made of …

• A. cellulose• B. chitin• C. bone

• 24. Which appendages on arthropods are used for pushing food into the animal’s mouth?

• A. walking legs• B. swimmerets• C. maxillipeds• D. chelipeds

• 25. Cnidocytes are specialized cells in sea anemones (and all other cnidarians) that are used for…

• A. catching food• B. protecting themselves from enemies• C. moving in the water• D. both A and B• E. A, B, and C

• 26. These animals belong in Phylum_____

• A. Porifera • B. Cnidaria• C. Arthropoda

• 27. This animal belongs in Phylum _________.

• A. Porifera • B. Cnidaria• C. Arthropoda

• 28. This animal belongs in Phylum __________.

• A. Porifera• B. Cnidaria• C. Arthopoda