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.

Pioneering research reveals the origins of the ventral nerve cord in early molting animals. An international team of ...

For over half a billion years, evolution has sculpted the nervous systems of bilaterian animals, equipping them with ...

FROM 508 MILLION YEARS AGO TO TODAYPreserved in the Burgess Shale of British Columbia, the worm Canadia spinosa was part of an explosion in biodiversity during the Cambrian period that gave birth ...

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 ...

Cambrian period animal. 3D animation of anomalocaris. Use for science educational video Hallucigenia Cambrian period animal. 3D animation of Hallucigenia. Use for science educational video. cambrian ...

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 ...

Then, at the beginning of the Cambrian Period, life opened its eyes. In the 15 million years that followed the evolution of vision, most of the major animal groups we know today appeared. After ...

As its name implies, this includes all of geological time prior to the Cambrian period. Hadean Era (4,550-3,850 mya) The Precambrian's oldest era, the Hadean, predates most of the geologic record.