Identify the incorrect one in the set of statements

Step-by-step solution

The frog excretes urea and thus is a ureotelic animal. The hind limbs end in five digits and they are larger and muscular than forelimbs that end in four digits. Feet have webbed digits that help in swimming. Frogs exhibit sexual dimorphism. Male frogs can be distinguished by the presence of sound producing vocal sacs and also a copulatory pad on the first digit of the fore limbs which are absent in female frogs. Two ureters emerge from the kidneys in the male frogs. The ureters act as urinogenital ducts which open