The picture depicts and describes the growth of a frog.
Overall, the frog becomes mature from spawn to an adult and undergoes into different transformation stages.
To begin with, the entire lifecycle of tadpoles until it became an adult into a frog. This cycle always occurs under the water such as lakes and rivers. It begins with mating of frig and it results in spawn. This spawn becomes a newly hatched into tadpoles. After a week this newly tadpoles turn into a large tadpole. At one month and fifteen, there external gills totally disappear. By two months they form their hind legs.
At twelve weeks, the tail is shrinks and it also forms front legs. After all these steps completed, the tadpoles turn into frog. In final stage the tail is almost disappear and the frog will hop to come out from the water onto the land.