Nitrogenous waste products are eliminated mai | vedclass

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Question

(B) Amphibians like frogs exhibit a change in their excretory pattern during their life cycle.$1$. Tadpoles are aquatic and live in water,so they excr

Vedclass · Accepted Answer

Ammonia in tadpole and urea in adult frog

Vedclass · Answer

(B) Amphibians like frogs exhibit a change in their excretory pattern during their life cycle.$1$. Tadpoles are aquatic and live in water,so they excrete nitrogenous waste primarily as ammonia $(NH_3)$,which is highly toxic but soluble in water.$2$. Adult frogs are semi-terrestrial and excrete nitrogenous waste primarily as urea $(CO(NH_2)_2)$,which is less toxic and requires less water for excretion compared to ammonia.Therefore,the correct answer is $B$.

Nitrogenous waste products are eliminated mainly as:

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