- AUricotelic — Birds.
- BUreotelic — Insects.
- CAmmonotelic — Tadpole.
- DUreotelic — Elephant.
Explanation:
Insects excrete nitrogenous wastes as uric acid hence is uricotelic. Ureotelic animals involve mammals, adult amphibians and elasmobranchs. Whereas, birds are uricotelic (correct option) and tadpoles excretion ammonia. Elephant being a mammal is ureotelic.
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$(I)$ Humidity in atmosphere is relatively more in the area where light become limiting factor for plants
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