[ad_1] The Paleozoic, Mesozoic, and Cenozoic are the three main eras of complex multicellular life on Earth. The Paleozoic is the age of invertebrates, terrestrial plants, amphibians, and synapsids. The Mesozoic is the age of reptiles, and the Cenozoic is the age of mammals. The Ediacaran fauna existed around 60 million years before the start […]
[ad_1] The Paleozoic era spanned from the Cambrian period to the Permian-Triassic extinction event, and saw the evolution of hard-shelled animals, land plants, and animals that could walk on land. Iconic animals include trilobites and sea scorpions. The era ended with a catastrophic extinction. Paleozoic animals lived during the Paleozoic era, a huge span of […]