[clairity]

that's predicated on the same conditions as life on earth. a universe can surely come up with some more variety.

[jabirali]

My point is that I think convergent evolution would be likely to produce “water blobs with heads, legs, and feet” on other Earth-like planets, i.e. planets with lots of liquid water and lots of solid land.

If you’re thinking of planets that are not similar to Earth, of course all bets are off.