What is the correct rank order for relative amount of water (most to least)required for excretion of the primary nitrogenous wastes used by different animals?
A)ammonia$\rarr$ urea $\rarr$ uric acid
B)uric acid $\rarr$ ammonia $\rarr$ urea
C)urea $\rarr$ uric acid$\rarr$ ammonia
D)ammonia $\rarr$ uric acid$\rarr$ urea
E)urea $\rarr$ ammonia $\rarr$ uric acid

Question

What is the correct rank order for relative amount of water (most to least)required for excretion of the primary nitrogenous wastes used by different animals?
A)ammonia$\rarr$ urea $\rarr$  uric acid
B)uric acid $\rarr$ ammonia $\rarr$  urea
C)urea $\rarr$  uric acid$\rarr$  ammonia
D)ammonia $\rarr$  uric acid$\rarr$ urea
E)urea $\rarr$  ammonia $\rarr$  uric acid

Quizplus · Accepted Answer

Ammonia requires the most water for excretion due to its high solubility and toxicity, necessitating dilution. Uric acid requires the least water as it is excreted as a paste or solid, minimizing water loss. Urea is intermediate, requiring less water than ammonia but more than uric acid.

What Is the Correct Rank Order for Relative Amount of Water