Among the following choices, the least concentrated urine is excreted by ___
a) Kangaroo rats
b) Frogs
c) Freshwater bass
d) Humans
Excretory product depends upon the the medium where the living organisms exist. There are three types of excretory products released by the living organism known as urea, ammonia and the uric acid. That toxicity for ammonia is highest among given and requires more water for its elimination and that for uric acid least is least. Ammonotelics (ammonia releasing organisms) exist in watery medium so that there will no scare of water in ammonia release, being its more toxic. The Uric acid is more concentrated excretory products found in the organism where water is scare.
So, correct response (c)
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