Question

Which among the following are uricotelic?

• A. Birds and reptiles
• B. Birds and mammals
• C. Fishes and mammals
• D. Aquatic insects and fishes

Answer 1

The correct option is A Birds and reptiles

The process of excreting nitrogenous wastes in the form of uric acid is known as uricotelism. The organisms which excrete uric acid are called uricotelic. Reptiles, birds, snails, insects are examples for uricotelic animals.

Organisms which excrete ammonia are ammonotelic. Examples include bony fishes, aquatic insects and aquatic amphibians.

Organisms which excrete urea are ureotelic. Mammals and terrestrial amphibians are ureotelic animals.