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 ...

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.

A region in China’s Turpan-Hami Basin served as a refugium - or “life oasis”- for terrestrial plants during the end-Permian mass extinction.

or "life oasis," for terrestrial plants during the end-Permian mass extinction, the most severe biological crisis since the ...

Something dramatic happened about 500 million years ago called the Cambrian "explosion ... This occurred in a world without ...