Template:Life timeline

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-4500 —

–

-4250 —

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-4000 —

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-3750 —

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-3500 —

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-3250 —

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-3000 —

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-2750 —

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-2500 —

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-2250 —

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-2000 —

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-1750 —

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-1500 —

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-1250 —

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-1000 —

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-750 —

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-250 —

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0 —

Single-celled life

Multicellular life

Arthropods Molluscs

A
r
c
h
e
a
n

P
r
o
t
e
r
o
z
o
i
c

P
h
a
n
e
r
o
z
o
i
c

←

←

←

←

←

Earliest oxygen

←

Atmospheric oxygen

←

Sexual reproduction

←

Multicellular life

←

←

Earliest plants

←

Earliest animals

←

Ediacaran biota

←

Cambrian explosion

←

Earliest tetrapods

←

Earliest apes / humans

(million years ago)

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