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Questions tagged [origins]

Origins of Life is studied through a combination of paleontology, chemistry, and extrapolation from the characteristics of modern organisms, and aims to determine how pre-life chemical reactions gave rise to life on Earth.

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Why should all life on Earth have a common ancestor?

In principle, it should be possible for whatever happened to create life to have happened in multiple places. Out of the millions of years this could have happened, it seems odd that it didn't happen ...
R-Obsessive's user avatar
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On the Origin of Homo Sapiens

Paleoanthropologists are certain Homo sapiens originate from Africa. However where in Africa is still contested. Could you give the reasons why it is thought that Homo sapiens evolved in Eastern ...
David Okogbenin's user avatar