Define ammonotelic, ureotelic and uricotelic animals? Give example of each.

Answer

Ammonotelic, ureotelic and uricotelic animals are defined as follows.

Ammonotelic animals – Specieswhich excrete ammonia in their waste are called ammonotelic animals. Ammonia is highly poisonous and water-soluble and is produced by quick diffusion of water.

Examples: Ammonotelic is the majority of marine animals namely cnidarians, echinoderms, fishes, protozoans, larvae/tadpoles of amphibians, crustaceans, poriferans and platyhelminths.

Ureotelic animals – Species which excrete waste in the form of waste are called ureotelic animals. Urea is less harmful than ammonia and requires less water.

Examples: Organisms include few bony fishes, adult amphibians, fish, cartilaginous fish and mammals including human.

Uricotelic animals – Species that excrete uric acid waste are called uricotelic organisms. Uric acid is the least poisonous and the least soluble in water, relative to Ammonia and Urea.
Examples: Birds, snakes and lizards.

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