Q.
In marine fishes and terrestrial amphibians, nitrogenous waste is filtered and excreted through
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Excretory Products and their Elimination
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Solution:
In mammals, marine fishes and terrestrial amphibians, nitrogenous waste is urea, which is excreted through kidneys. Ammonia produced by metabolism in them is converted into urea in the liver and released into the blood which is then filtered and excreted through kidneys.