Meaning of biological big bang | Babel Free

Definitions

The Cambrian explosion (the rapid appearance, around 541 million years ago, of most major animal phyla).

Examples

“Brocks said the new study suggested the Ediacaran biota “already contained some of the creatures that gave rise to the [Cambrian] explosion, to the rise of modern animals”. The Cambrian explosion, also called the biological big bang, was a period about 538.8m years ago when almost all major animal groups started to appear in the fossil record.”

CEFR level