Assertion `:-` Mostly aquatic animals are ammonotelic.
Reason `:-` Ammonia is the most toxic form and requires large amount of water for its elimination.

Aquatic animals are mostly ammonotelic because

Elimination of which substance requires large amount of water ?

Elimination of which substance requires large amount of water ?

Find out correct statements - (A)Mammals, amphibia, freshwater fishes are ureotelic. (B) Waste product of bird and insect is same. (C) Fish eliminate ammonia through gill surfaces as NH_(4)^(+) (D) Uric acid is most toxic form and requires large amount of water for its elimination. (E) Excretory structures of most insects are malpighian tubules.

How many statements are correct: (a) vasarecta is absent or highly reduced in cortical nephrons (b) ammonia is less toxic as compared to urea and requires large amount of water for its elimination (c) GFR in a healthy individual IS approximately 125 mu minute (d) PCT also help to maintain the pH and ionic balance of the body fluid

Why are aquatic animals mostly ammonotelic in nature?

Aquatic animals are mostly ammonotelic because (a) Excretion of ammonia requires large amount of water which is available to these animals (b) Ammonia helps in checking the inflow of water into body (c) They get lesser light (d) Water contains less nitrogen