This stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the geological age in whose early part it occurred. But it was not as rapid as an explosion ...

with a warming climate and rising sea levels flooding low-lying landmasses to create shallow, marine habitats ideal for spawning new life-forms. Nevertheless, the scale of the Cambrian Explosion ...

Working at 2,500 metres above today’s sea level, a group of scientists ... It was the time of the Cambrian Explosion, an eruption of life when Earth’s very first animals began appearing ...