humans could live on other planets, possibly… or at least something similar. First of All, i will explain things that are true in case you do not know.

Pangea

before we had all 6 or some people say 7 continents, they were all in one piece. That continent was called Pangea.

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parellel evolution

paral evolution is were in 2 different animals like evolve into the same species or a similar thing sort of without any contact in a different place. for an example, there are primates in South America and in Asia and Africa. But this was way after Pangea split apart. Before that, there was no such thing as primates. So it was Parallel evolution.

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now if there is a planet that is earth like than it might have living things. And if cells existed and animals existed on that planet, that makes parallel evolution possible. And possible to have another human or something like that.