3 min read The Cambrian period, part of the Paleozoic era ... were among the most successful organisms ever to populate Earth. These familiar marine arthropods first arose about 545 million ...

This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, forcing them to develop adaptations to handle fluctuations in nutrients. For ...

It belonged to a more obscure period, inhabited by cryptic ... Scientists until then had believed that the Cambrian explosion was the point when life on Earth opened out, kaboom, like a starburst ...

encompassed the Cambrian explosion, a period when life diversified dramatically and radiated into new niches. The second "step" in the staircase of Earth's spin occurred roughly 340 million to 280 ...

A mysterious fossilized creature discovered more than a century ago has finally been decoded, offering stunning insights into ...

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 ...

Visitors at the Miraculous Life in the Ancient Oceans: Exhibition of Premium Fossils from the Cambrian ... period of evolutionary boom, according to Liu Lu, assistant researcher of the museum's ...

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 ...

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 ...