Which of the following compounds allows animals to lose the least amount of water during the process of removing toxic waste?
A)ammonia in freshwater fish
B)ammonia in saltwater fish
C)urea in humans
D)uric acid in birds

Question

Quizplus · Accepted Answer

Uric acid is the best choice as it is the least toxic among the nitrogenous waste products and can be excreted in a solid form without losing much water. This is especially important for birds who have a limited amount of water available to them for excretion. Ammonia, on the other hand, is highly toxic and requires a lot of water for excretion, making it unsuitable for animals living in low water environments. Urea is a less toxic form of nitrogenous waste than ammonia but still requires a moderate amount of water for excretion, making it less efficient than uric acid.

Which of the Following Compounds Allows Animals to Lose the Least