3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the vast seas and the first primitive plants began to appear on land—before the ...

3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including ...

Travel back in time and imagine the challenges and wonders of living in the Paleozoic Era. I Asked 2 Experts To Name the Best ...

It significantly shaped the two periods of time that made up the end of the Paleozoic era. First, it led to the creation of iconic "coal forests" full of giant insects in the Carboniferous period ...