4.6 billion years ago our beautiful planet earth was formed. It formed when gravity pulled the swirling gas and dust to become the third planet from the sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle and a solid crust.
Banded Iron formations
This is a multicellular organism
Even though there is no fossilized evidence around 4 billion years ago scientists believe that there were single celled organisms, that lived under water. These single cells formed from chemicals.
3.5 billion years ago stromatolites were formed by cyanobacteria.