Explore the Evolutionary Timeline

Trace the origin of life back in time to the Earth's creation.

Origin of Species

Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Life began to venture on land around 400 million years ago, but in order to do so organisms had to breathe air, remain upright and keep from drying out. Plants were followed by scorpionlike arthropods and later by amphibians. (Courtesy Denver Museum of Nature & Science)
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