15 December, 2019
There are many categories in the prehistoric period, such as Mesozoic Era and the period of early Human Evolution. The Mesozoic Era is divided into 3 periods called Jurassic, Triassic and Cretaceous. These are the periods that dinosaurs roamed the earth. After a certain time, an asteroid hit the earth and they became extinct. Then the human evolution began its process. In the human evolution, the apes evolued into humans. They discovered many tools to make their livelihood easy. This was in the prehistoric period.
Sanula Udan Gamage,
Grade 8 E,
Highlands College, Maharagama.