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Template:Life timeline

From Simple English Wikipedia, the free encyclopedia

-4500 —

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-4250 —

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-3750 —

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-3500 —

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-2750 —

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-2500 —

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-2250 —

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-1500 —

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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
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r
o
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c

←

←

←

←

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Earliest oxygen

←

Atmospheric oxygen

←

Sexual reproduction

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Multicellular life

←

←

Earliest plants

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Earliest animals

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Ediacaran biota

←

Cambrian explosion

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Earliest tetrapods

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Earliest apes / humans

(million years ago)

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