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Biology

BIOLOGY TIMELINE

Billion Years Ago
4.6
Big Bang
4.3
Primordial soup
4.2
3.8
3.5
2.7
Earth Cools  
Earliest Life
Fossil formation
Photosynthesisers release O2  
Origin of Eukaryote
First multicellular organism
First complex animals form
First plant or fungi
Animals first colonised the land
First mammals
First Dinosaurs  
Neanderthals
First Anatomically mature humans  
Dinosaurs extinct  

2

1
0.7
0.475
0.365
0.215
0.215
0.065
0.2
0.35
0.2
Million Years Ago
Million Years Ago
Billion Years Ago