16. Most aquatic animals excrete ammonia, while land animals excrete urea or uric acid. What is the most likely explanation for the difference?
A. land animals cannot afford the energy needed to make ammonia
B. they have different diets.
C. ammonia is very toxic and it takes lots of water to dilute it.
D. fish need to get rid of ammonia, but land animals need it to live
E. land animals can get the extra energy needed to make urea or uric acid.
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16. Most aquatic animals excrete ammonia, while land animals excrete urea or uric acid. What is the...
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