# data[].attributes.body
The Paleozoic Era begins with Cambrian explosion, a brief period in which animals experience rapid diversification.

# data[].attributes.body
Permian Mass Extinction: marks the end of the Paleozic Era and start of the Mesozoic Era

# data[].attributes.body
Cretaceous Mass Extinction: marks the end of the Mesozoic Era and beginning of Cenozoic Era