Earth's History

Main

precambrian

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

Formation of the Earth

4,600,000,000 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

Mesozoic

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

EXTINCTION!

248,000,000 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

Cenozoic

65,000,000 bc - 2014 ad

Our current age

EXTINCTION!

65,000,000 bc

killed off the dinosaurs

First primates

60,000,000 bc

First humans

2,500,000 bc

Modern humans

200,000 bc

Karyn born

1977 ad