Important Event In Earths History

4600 ma

Million years ago

Earths core and crust formed

Earths first oceans formed

First life appeared on earth

Oxygen began to accumulate in our atmosphere

First animals appeared

First animals with hard parts evolved

The first vertebrates evolved

First land plants evolved

First land animals with back bones evolved

First dinosaurs evolved

First flowering plants evolved

Dinosaurs went extinct

First grass evolved

Modern humans evolved

Earth formed Core and crust formed Oceans formed Life appeared Oxygen accumulated in atmosphere First animals appeared First animals with backbones evolved First land plants evolved First land animal with backbones evolved First dinosaurs evolved First flowering plants evolved Dinosaurs went extinct First grass evolved Modern humans evolved