The correct option is D Birds and reptiles are ureotelic
Ureotelic animals
Mammals, many terrestrial amphibians like frogs, and marine fishes mainly excrete urea and are called ureotelic animals.
Uricotelic animals
Uricotelic animals excrete their nitrogenous wastes as uric acid in the form of pellet or paste with a minimum loss of water and are called uricotelic animals eg. reptiles, birds, land snails, and insects
Ammonotelic animals
Many bony fishes, aquatic amphibians, and aquatic insects mainly excrete ammonia and are ammonotelic in nature.
Final answer
d) Birds and reptiles are ureotelic