What Is Necessary?

"I decided my characters, so youre gongto me a space faring alien, right? What is required in the biosphere?" he says. "There's no way that one being can come up with that level of intellect." The eridians have two independent circulatory systems and one operates hotter than the boiling point of water. Their muscles are steam powered to vent heat when they're sleeping or digesting food. They don't let things in and out of their body. It exes new manic yesit expands by boiling the water, then contracts by cooling the water. Thats ight, what we got. So i actually went backwards and i decided it goes all