Question

Which is a difference between the Paleozoic and Mesozoic era?

Answer 1

The Paleozoic and Mesozoic eras are different because during the Paleozoic era, life evolved from simple organisms to complex animals like fish and amphibians, and land plants emerged. The Mesozoic era was dominated by reptiles like dinosaurs and pterosaurs, with the appearance of small mammals. The end of the Paleozoic era was marked by a mass extinction event that wiped out many species, and the Mesozoic era ended with the extinction of the non-avian dinosaurs.

Answer 2

The most distinctive difference between the Paleozoic and Mesozoic Eras would be the organisms present during each era. In the Paleozoic Era, organisms such as trilobites and ancient arthropods were prevalent. In the Mesozoic Era, these organisms were extinct and more contemporary fossils constituted the environment, such as dinosaurs. In the Mesozoic Era, a wide variety of organisms lived; however, most from the Paleozoic Era either evolved or died off.