Question

———— organism excrete ammonia.

Answer 1

Ammonotelic organisms:

1. Animals excrete nitrogenous waste in many forms.
2. The process where certain organisms excrete nitrogenous waste in the form of ammonia is known as ammonotelic organisms.
3. Ammonia is highly water-soluble and which forms ammonium hydroxide (NH₄OH) directly injures cells by the alkaline caustic action.
4. Therefore, the excretion of ammonia requires large amounts of water.
5. Individuals that live in water are ammonotelic organisms.

Final answer: Ammonotelic organism excrete ammonia.