Mass extinctions

What are mass extinctions?

Mass extinctions are events in which a significant percentage of all living species on Earth become extinct in a relatively short period of time.

We have five mass extinctions what are there names 🤔

Ordovician Extinction

Devonian Extinction

Triassic Extinction

Cretaceous Extinction

Devonian Extinction what happened

Ice ages , global cooling , almost all life form died

Permian Extinction what happened

Most severs of all caused by volcanic eruption reptiles and frogs died

What happened in the triassic extinction

Caused by acid rain and drop in oxygen in water more marine life form destroyed

Cretaceous Extinction what happened

All dinosaurs died out caused by asteroid impact and blotting out of sunlight

What causes mass extinctions

Environmental disasters and animals die