Most aquatic animals excrete ammonia, while land animals excrete urea – McqOptions

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1.	Most aquatic animals excrete ammonia, while land animals excrete urea or uric acid. What is the most likely explanation for this difference?
A.	They have different diets.
B.	Land animals can get the energy needed to make urea or uric acid.
C.	Ammonia is very toxic, and it takes lots of water to dilute it.
D.	Land animals cannot afford the energy needed to make ammonia.
Answer» D. Land animals cannot afford the energy needed to make ammonia.

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