In which era did life first appear? I believe it is paleozoic but I've also heard its precambrian

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asked Feb 22, 2018 100k views

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Roger Perkins · Answer 1 · 2018-02-26T10:25:59+0000

Life was first appeared on land in the crozoan era 2.5 million years ago
but the first breathing life forms were here at the Paleozoic era 251 million years ago

In which era did life first appear? I believe it is paleozoic but I've also heard its precambrian

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