Zoology Study Guide
Bony Fish
1. What class contains the lampreys?
2. How old are the vertebrates?
3. What do Lampreys feed on?
4. Hagfishes belong to what class?
5. What structure was a major appearance in the evolution of vertabrates?
6. How old are sharks?
7. The largest sharks are what type of feeder?
8. What are Ratfish? Why are they classified with sharks?
9. What class do lungfish belong to?
10. Lobed-finned fishes are in what class?
11. What class are sharks?
12. What extinct group is believed to be the ancestors of amphibians?
13. What class do ray-finned fishes belong to?
14. Vascular folds in the gill filaments are called?
15. In lungfish pneumatic sac function as _________?
16. Fish regulate buoyancy by ______ ___________?
17. Nitrogenous wastes such as urea, creatine, and creatinine are produced in the
__________ of fishes.
18. The semicircular canals of the inner ear of bony fish maintain ?
19. A __________ removes excess sodium chloride from the blood of elasmobranch
fish and excretes it into the cloaca.
20. A common opening for excretory, digestive, and reproductive products is the?
21. The major nitrogenous waste of bony fishes is?
22. What are the infraphylums we looked at in this unit?
23. Which group of fishes does not have a cartilaginous skeleton?
24. What does oviparous mean?