Review Questions on Mollusks, Annelids, and Arthropods Review Questions

  1. Which phyla are protostomes? deuterostomes? [answer]
  2. What are the characteristics of protostomes? [answer] Describe how protostomes differ from deuterostomes. [answer]
  3. List the classes of mollusks [answer], and annelids [answer].
  4. Understand how the following are classified: chitons, snails, clams, octopus, squid, nautilus, earthworms, marine annelids, leeches.
  5. Name the type of circulatory system (open or closed) in the four classes of mollusks. [answer]
  6. Cephalopods have camera-type eyes. What other kind(s) of animals have this type of eye? [answer]
  7. What are the distinguishing characteristics of a mollusk? [answer]
  8. Where does a clam shell come from? (What secretes it?) [answer]
  9. How do bivalves obtain their food? [answer]
  10. Describe the major characteristics of annelids. [answer]
  11. Name the partitions that separate the segments of an annelid. [answer]
  12. Name the main structures found in the body of an annelid. [answer]
  13. Describe how an earthworm changes the shape of its segments. [answer]
  14. State the function of the clitellum in earthworms. [answer]
  15. Name the type of skeleton found in arthropods. [answer]
  16. Name the excretory structure of insects. [answer]
  17. Describe incomplete and complete metamorphosis in insects. [answer]
  18. Why are insects so successful? [answer (part 1), answer (part 2)]
  19. What are the characteristics of protostomes? [answer]
  20. Which phyla are protostomes? deuterostomes? [answer]
  21. Name the type of skeleton found in arthropods. [answer]
  22. Name the three subphyla of arthropods and describe the general characteristics of animals in each of them. [answer (part 1), answer (part 2), answer (part 3)]
  23. Classify the following organisms into subphylum and class: barnacles, centipedes, copepods, crabs, crayfish, decapods, horshoe crabs, insects, isopods, krill, lobster, millipedes, mites, scorpions, spiders, ticks 
  24. Describe the respiratory system of the following: insects [answer], spiders. [answer]