Metamorphosis is a biological process of transforming a larva into an adult. This involves relatively sudden and abrupt changes in the animal's structure. Frogs and insects are examples of organisms showing metamorphosis. The life cycle of a frog has three
EGG ? TADPOLE ? ADULT The tadpole emerging from the egg will have gills, tail, etc. They can swim easily in water. It undergoes abrupt changes and develops into a mature frog.