Question

Excretion of uric acid in insects and birds is of great advantage. Why?

Answer 1

Nitrogenous wastes in the body tend to form toxic ammonia ,which must be excreted.Mammals such as humans excrete urea.while birds ,reptiles and some terrestrial invertebrates produce uric acid as wastes. Uricothelic organisms tend to excrete urine acid waste in the form of white past or white powder