Question

Difference between precambrian and paleozoic era?

Answer 1

Answer:

The differences are as under:

Explanation:

• The Precambrian is a period that started from 4500 mn year ago. to the Cambrian explosion when life occurred in the earth somewhere in the Cambrian period of 542 that marks the beginning of the paleozoic era.

• The Precambrian is divided into the Hadean Eon, Archean Eon, and the  Proterozoic Eon. The formation of the moon and the hostile environment of the earth and the planet was seen.

• Higher volcanism and a near lack of oxygen in the air.

• Beginning of life and the significant impact of the glaciation.

• The Paleozoic era started 542  mn year ago, compri goth Cambrian, Ordovician,  Silurian, the Devonian, the Carboniferous, and the Permian periods. In this era, the sea level reached a high of 200 meters than the present day and thus ra ended in the mass extinction.

• The Cambrian period lasted till 488 mn years ago, with a spectuclar  increase in the number of the living organism.

• Oceanic temperature many have reached up to 45 degrees and the extinction would have been caused by the rise in the sea levels and the ice levels.

• The Devonian period formed by the formation of the large continents and the evolution of the land plants. The creation of the young earth took place in the Permian period after the spit of the super landmass and Pangea.