Question

What major biological event is characteristic of the Palaeozoic Era?

Options

• Origin of amphibians, fishes, and invertebrates

• Dominance of dinosaurs and reptiles

• Origin of land vascular plants only

• Rise and dominance of mammals

Answer 1

The Palaeozoic Era is characterized as the age of amphibians, fishes, and invertebrates. Major events include the origin of amphibians in the Devonian, the origin of reptiles in the Carboniferous, and the establishment of all invertebrate phyla in the Cambrian.