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

I believe it is paleozoic but I've also heard its precambrian

User JFrenetic
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1 Answer

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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
User Roger Perkins
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