3 min read The Cambrian period, part of the Paleozoic era ... growth of more complex body structures and ways of living. The environment also became more hospitable, with a warming climate ...

Recent research suggests that the period prior to the Cambrian explosion saw the gradual ... Morris, on the other hand, contends that the environment of our planet would have created selection ...

Researchers have had plenty of opportunities to analyze these creatures, but none have been so detailed as these remains from the Cambrian period ... in a volcanic environment and believe ...