Topics: Excretion Quiz
What is the advantage of excreting nitrogenous waste in the form of ammonia?
A. Ammonia is less toxic than uric acid
B. Ammonia is less soluble than uric acid
C. Ammonia excretion conserves energy
D. Ammonia does not diffuse across cell membranes
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To conserve precious salts, freshwater fish…
A. produce small amounts of urine
B. significantly dilute their urine
C. do not take up water
D. drink through their gills