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How life began on Eatth

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How life began on Eatth
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Meghna Thapar 4 years, 4 months ago

The evolutionary history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to the present. ... The similarities among all known present-day species indicate that they have diverged through the process of evolution from a common ancestor. Most experts agree that all life today evolved by common descent from a single primitive lifeform. It is not known how this early life form evolved, but scientists think it was a natural process which happened about 3,900 million years ago.

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