what is the first living creature on earth
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The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.
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The earliest forms we know of microscopic organism that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by livo things.
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