Definition for Cambrian explosion
From Biology Forums Dictionary
An event during the Cambrian period (543 mya to 490 mya) in which there was an abrupt increase (on a geological scale) in the diversity of animal species.
From Biology Forums Dictionary
An event during the Cambrian period (543 mya to 490 mya) in which there was an abrupt increase (on a geological scale) in the diversity of animal species.