BIOL 2200 Final Exam Questions and Verified Answers | Passed | A+
A fish is excreting large volumes of water; we would describe it as ______________________ relative to its environment. : An osmoregulator that is hyperosmotic. Which of the following animals likely makes the most nitrogenous waste? A. Frugivorous Bat B. Insectivorous Frog C. Piscivorous Seal D. Granivorous Bird : C. Piscivorous Seal Which of the following statements about mammalian excretion if FALSE: A. Substances like solutes always diffuse across the nephron membrane, with direction based on differences in the concentration gradient B. Whenever water is diffusing out of nephron, solutes are diffusing in 2 C. Water resorption happens at every stage of the process, making the waste more and more concentrated D. A & B E. A, B, and C : E. A, B, and C The advantage of excreting nitrogenous wastes as urea rather than as ammonia is that ________. : Urea is less toxic than ammonia Uric acid is the _______________ toxic form of nitrogenous waste, has a very _____________ water loss, and a very _____________________ energy expenditure. : Least Low High Ammonia is likely to be the primary form of nitrogenous waste in an environment with a mass abundance of _______________. : Wate
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