In ureotelic animals, carbamoyl group are transferred to:-
Urea
Uric acid
Ornithine
Creatine
The question is asking about the first step of the urea cycle in an indirect way (See Fig). Based on how nitrogen is excreted, animals are divided into 3 categories. Ammoniotelic animals - Animals that excrete ammonia. e.g. Fishes Ureotelic animals - Animals which excrete urea e.g. Mammals including man Uricotelic - Animals that excrete uric aciduric acid. e.g. Birds
Urea cycle