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> tardigrades are from this world. There are plenty of them here, but did they evolve on Earth or arrive from elsewhere...?
by dingaling 3y ago
> tardigrades are from this world.
There are plenty of them here, but did they evolve on Earth or arrive from elsewhere...?
- benj111 3y agoHave you got any particular evidence? We could hypothecate that God made them, that isn't really science though.
- chatmasta 3y agoThey are DNA-based organisms, like every other known life form, all of which evolved on Earth, so it seems reasonable to assume they evolved here too. Of course you might hypothesize that DNA is a building block of life that is not unique to Earth, but that's a whole other can of worms...