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Firdavs [7]
3 years ago
12

. Explain why some desert animals excrete uric acid rather than ammonia.(2 marks)​

Chemistry
1 answer:
avanturin [10]3 years ago
5 0

Answer:

AFAIK

Explanation:

uric acid is much less toxic than ammonia, hence bigger concentrations of it are tolerated in the body. This means you can excrete it while excreting very little water - beneficial wherever water's not abundant.

There's a tradeoff though, uric acid requires more energy to synthesize than ammonia, so pretty much all fish, say, excrete ammonia rather than uric acid - it's no problem to dilute ammonia since there's no water shortage.

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