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Warm-Up 12/9. What are some advantages of having a lunate form caudal fin? What color was the swimbladder during the perch dissection? What are the two forms of gill ventilation we discussed in class?. Warm-Up 12/10. Why do marine fish only produce a small amount of concentrated urine?
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Warm-Up 12/9 • What are some advantages of having a lunate form caudal fin? • What color was the swimbladder during the perch dissection? • What are the two forms of gill ventilation we discussed in class?
Warm-Up 12/10 • Why do marine fish only produce a small amount of concentrated urine? • What internal organ is responsible for regulating the body’s water, salt and nitrogenous waste via selective elimination? • What do the terms hypoosmotic and hyperosmotic mean?
Warm-Up 12/11 • What is the difference between a catadromous fish and an anadromous fish? • What is a fish ladder? • What would happen if you put a stenohaline marine species into a freshwater pond? Why?
Warm-Up 12/12 • Name 2 toothed whales. • What are 2 adaptations of cetacean’s physiology that allow them to swim for extended periods without breathing. • Why does the existence of a wholphin provide strong evidence for classification of bottlenose dolphins as toothed whales?