Frog development includes
AInternal viviparous development without eggs
BA tadpole larva that metamorphoses to adult
CDirect development without any larval stage
DA pupal stage like in insect metamorphosis
Answer & Solution
Correct answer: B. A tadpole larva that metamorphoses to adult
Frog has indirect development: egg -> aquatic tadpole (gill respiration, herbivorous, ammonotelic) -> metamorphosis (thyroxine-driven) -> terrestrial adult (lungs + skin, carnivorous, ureotelic). Insect pupa is not a frog stage.
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