Deep&Infinite

After the big bang, when life starts growing gradually on our planet Earth. There is not much land area instead there are mostly water on the surface of earth. In this water, there are only small number of life forms exist such as Micro-organisms, Unicellular organisms, Bacterias, Protozoas, Cristacians etc. After some time the multicellular organisms starts developing. Owing to sun, the land mass increased, by which the terrestrial organisms came into existence like Amphibians, Reptiles, and Plants. Thanks to Evolution, now Humans exist.