This coincides with the time period when life became more diverse and abundant in the seas - an event known as the Cambrian explosion. "Our results show the ancestor of land plants was alive in ...

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.

In order to be available to us, the remains of ancient plants and animals have to ... Recent research suggests that the period prior to the Cambrian explosion saw the gradual evolution of a ...

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

When the plants and animals died, their decomposing organic matter floated down to the seafloor and sucked oxygen out of the water. But now, scientists have figured out the real culprit.