Singh124 Singh124

11-06-2020
Biology

contestada

The first organisms on Earth were most like today’s

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CarryYonder CarryYonder

11-06-2020

Answer:

Bacteria have been the very first organisms to live on Earth. They made their appearance 3 billion years ago in the waters of the first oceans. At first, there were only anaerobic heterotrophic bacteria (the primordial atmosphere was virtually oxygen-free).

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