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.

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 ...

Learn more about the time period that took place ... remained confined to the seas with new animals evolving in place of those that didn't survive the Cambrian. Chief among them were the squidlike ...

is considered plant terrestrialization, which can be seen as the terrestrial equivalent of the Cambrian explosion of marine animals. During this period, novel structures such as tracheids ...

Their findings provide valuable insights into the origins of these structures in the basal Cambrian period. An international ... evolved in ecdysozoan animals, a group that includes insects ...

Dr. María Herranz noted, "The emergence of paired nerve cords likely facilitated greater coordination of movement, particularly in segmented animals. During the Precambrian-Cambrian transition ...