Learn more about a time period marked by an intense burst of evolution. 3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known.

The Cambrian period, which began around 541 million years ago, is a significant era in Earth's history marked by a rapid diversification of life known as the Cambrian Explosion. This period saw ...

Internal, genetic factors were also crucial. Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution of a "genetic tool kit" of genes that govern ...

The initial radiation of vascular land plants, evidenced by increases in both diversity and morphological disparity during ...