Based on the geological timescale, following would be the correct order of the prehistoric eras given:
Precambrian Era: This was the longest era of the four which lasted for about 2960 million years. The evolution of simple multicellular organisms happened in this era.
Paleozoic Era: The time span of this era was 295 million years. During this era, the first reptiles appeared on Earth.
Mesozoic Era:This era lasted for about 179 million years. The beginning of this era was marked by a mass extinction. The emergence of dinosaurs is believed to have taken place in this era.
Cenozoic Era:This era lasted for about 66 million years and was characterised by the emergence of humans in their modern form.
