Life was flourishing long before the Cambrian "explosion". The question of how so many immense changes occurred in such a short time is one that stirs scientists. Why did many fundamentally ...

The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the chordates, to which vertebrates (animals with backbones ...

Scientists until then had believed that the Cambrian explosion was the point when life on Earth opened out, kaboom, like a starburst of wondrous beasts—elaborate and sizable beings (we call them ...

offering long-sought evidence of Ecdysozoans before the Cambrian explosion. The find underscores the evolutionary complexity of Precambrian life, a time when early ecosystems were dominated by ...

"The Great Unconformity sets the stage for the Cambrian explosion of life, which has always been puzzling since it is so abrupt in the fossil record—geological and evolutionary processes are ...

dramatically. It was the time of the Cambrian Explosion, an eruption of life when Earth’s very first animals began appearing in the fossil record — the ancestors of all major animal groups ...

Titled Cause of the Cambrian Explosion – Terrestrial or Cosmic?, the paper digs deep into the origin of life on Earth. As a result, it posits that life began thanks to a rain of retroviruses ...

Every one of these eyes begins its story in the Cambrian Period, when the evolution of vision triggered an explosion of diversity of life and changed our world forever.

The fossils here record an explosion of life around 540 million years ago, during the Cambrian period, known as the ‘Cambrian explosion’. He explains a speculative theory that the evolution of ...

which can be seen as the terrestrial equivalent of the Cambrian explosion of marine animals. During this period, novel structures such as tracheids, stomata, leaves, roots, and secondary xylem ...