alleryFrogs are classified as ureotelic because they
AExcrete ammonia as main nitrogen waste
BExcrete uric acid as main waste
CDo not excrete any nitrogen waste
DExcrete urea as main nitrogen waste
Answer & Solution
Correct answer: D. Excrete urea as main nitrogen waste
Frogs excrete UREA (less toxic than ammonia, requires less water than ammonia, more toxic than uric acid).
Most aquatic amphibians shift toward ureotelism on land.
Tadpoles are ammonotelic; adults are ureotelic.
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