What is the correct rank order for relative amount of water (most to least) required for excretion of the primary nitrogenous wastes generated by different animals?

A. ammonia ? urea ? uric acid
B. uric acid ? ammonia ? urea
C. urea ? uric acid ? ammonia
D. ammonia ? uric acid ? urea
E. urea ? ammonia ? uric acid



A. ammonia ? urea ? uric acid

Biology & Microbiology

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The ___ Echinoderm lineage is composed of sea stars, each with a central disk surrounded by 5 to 20 "arms."

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In plants, photosynthesis occurs in which of the following locations?

a. Chloroplast b. Stomata c. Upper epidermis d. Vacuole

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Which of the following individuals pioneered the use of chemicals to reduce the incidence of infections during surgery?

A) Nightingale B) Snow C) Ehrlich D) Lister E) Semmelweis

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