Earth's History

Main

Formation of the Earth

4,600,000,000 bc

precambrian

4,600,000,000 bc - 540,000,000 bc

test

4400000000 bc

First life

3,500,000,000 bc

bacteria

Photosynthesis

3,400,000,000 bc

Cells with nucleus

2,000,000,000 bc

First simple animals

600,000,000 bc

Paleozoic

540,000,000 bc - 248,000,000 bc

First fish

500,000,000 bc

First land plants

475,000,000 bc

First insects

400,000,000 bc

First Amphibians

360,000,000 bc

First reptiles

300,000,000 bc

EXTINCTION!

248,000,000 bc

Mesozoic

248,000,000 bc - 65,000,000 bc

First dinosaurs

215,000,000 bc

First Mammals

200,000,000 bc

First birds

150,000,000 bc

First flowers

130,000,000 bc

EXTINCTION!

65,000,000 bc

killed off the dinosaurs

Cenozoic

65,000,000 bc - 2014 ad

Our current age

First primates

60,000,000 bc

First humans

2,500,000 bc

Modern humans

200,000 bc

Karyn born

1977 ad