What are ammonotelic and ureotelic animals? Give examples.

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Solution

Every living organism excretes, whether it be a simple worm or complex humans.
Ammonotelic animals are those which excretes nitrogenous waste as soluble ammonia as their excretory waste product. For example, the marine organism like Porifera, fish, protozoa.
Ureotelic animals are those which excretes excess nitrogen as urea, which needs less water in comparison to ammonia. For example, cartilaginous fish, humans.

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Similar questions

Q. What do you understand by ammonotelic, ureotelic and uricotelic animals? Give example of each.

Q. Terrestrial animals are generally either ureotelic or uricotelic, not ammonotelic. Why ?

Which one of the following statements is incorrect?
(a) Birds and lands snails are uricotelic animals
(b) Mammals and frogs are ureotelic animals
(c) Aquatic amphibians and aquatic insects are ammonotelic animals
(d) Birds and reptiles are ureotelic

Q. Assertion: Aquatic mammals like whales and seals are ureotelic.
Reason: Ureotelic animals require a very large amount of water for the removal of urea as compared to the amount of water ammonotelic animals require for the removal of ammonia.

Q. Select the group of animals adapted to ammonotelism, guanotelism, and ureotelism respectively.

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