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Question
Which one of following options gives the correct categorization of six animals according to the type of nitrogenous wastes they give out?
Which one of following options gives the correct categorization of six animals according to the type of nitrogenous wastes they give out?
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Solution
The correct option is C Ammonotelic - Aquatic Amphibia; Ureotelic - Frog, Humans; Uricotelic - Pigeon, Lizards, Cockroach
Aquatic amphibia have high access to water and therefore will excrete ammonia as such. Tailless amphibians and mammals are ureotelic, they convert ammonia to urea for excretion. Most terrestrial animals, especially that survive in desert conditions like insects and reptiles are uricotelic, they excrete uric acid. Birds having a need to reduce body weight, keep their water requirements to a minimum and therefore also excrete uric acid.
Aquatic amphibia have high access to water and therefore will excrete ammonia as such. Tailless amphibians and mammals are ureotelic, they convert ammonia to urea for excretion. Most terrestrial animals, especially that survive in desert conditions like insects and reptiles are uricotelic, they excrete uric acid. Birds having a need to reduce body weight, keep their water requirements to a minimum and therefore also excrete uric acid.
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