Learn more about a time period marked by ... of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today.

if only for a limited time – tens of millions of years before some animals started living permanently on land. “They must have had mechanisms to cope with some of the stressors of this ...

All animal evolution ... the opportunity for the Cambrian explosion to occur. Internal, genetic factors were also crucial. Recent research suggests that the period prior to the Cambrian explosion ...

Environmental stress in evolution can be reframed as a powerful engine of innovation, not simply a barrier to survival.

visitors can follow fossil evidence tracing the evolution of life during the Cambrian period — the first geological period of the Paleozoic era — which lasted from 541 million to 485 million ...

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

Visitors at the Miraculous Life in the Ancient Oceans: Exhibition of Premium Fossils from the Cambrian Chengjiang Biota, held at the Natural History Museum of China in Beijing. WANG QIAN/CHINA ...