Template:Life timeline

Life timeline

-4500 —

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-4000 —

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-3500 —

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-3000 —

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-2500 —

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-2000 —

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-1500 —

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-1000 —

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-500 —

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0 —

water

Single-celled
life

photosynthesis

Eukaryotes

Multicellular
life

Land life

Dinosaurs

Mammals

Flowers

←

Earliest Earth (−4540)

←

←

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←

←

←

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Earliest sexual reproduction

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Ediacara biota

←

Cambrian explosion

←

Earliest humans

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P
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A
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H
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Axis scale: millions of years.
Orange labels: known ice ages.
Also see: Human timeline and Nature timeline