Even though freshwater biome constitutes mere 0.08 percent of the vast aquatic biome, it does play a crucial role in facilitating the existence of life on planet Earth. Basically, the aquatic biome is divided into two parts: (i) marine biome, which consists of saline water sources such as oceans, estuaries, etc., and (ii) freshwater biome, which consists of freshwater sources such as rivers, lakes, ponds, etc.