Question

Write a note. On uricotelism

Answer 1

An ammonotelic organism excretes nitrogenous waste as soluble ammonia. ... A ureotelic organism excretes excess nitrogen as urea. Urea is less toxic and needs less water in comparison to Ammonia. Ureotelic organisms include cartilaginous fish, few bony fishes, adult amphibians and mammals including humans.

Answer 2

Uricotelism:

An organism which excrete nitrogenous waste as a major portion is known as Uricotelism organism.

Some of those organisms are

Snakes

Lizards

Birds

Snails

Terrestrial insects

These type of animals, convert the ammonia as less toxic like insoluble uric acid and excrete them with less amount of water.

Buchanan and his team had first discovers the phenomenon back in 1950s.