Well, we typically operate from general principles[1] which don't require any particular biology. But of course it could turn out that the biology was similar (

Well, we typically operate from general principles[1] which don't require any particular biology. But of course it could turn out that the biology was similar (if panspermia-style theories are correct, or even just convergent evolution). 1: https://en.wikipedia.org/wiki/Life#Biology https://en.wikipedia.org/wiki/Life#Biology