Stage 1: They lay eggs in the Water. Their eggs are protected by a thick jelly-like substance.
Stage 2: Egg hatches into a tadpole. It stays in water. They swim in the water and look like fishes. They have gills to breath
Stage 3: After a few weeks the tadpoles start to grow legs. Their tails become shorter and shorter and then finally disappears. After sometimes these tadpoles grow into adult frogs.