Hummm...Buckeyball Bugs...
What chemical process could nurish them?
If they need water, spin a water rich comet in low orbit to create molecular rain.
Would the water precipitate to the surface, or would the heat rip the hydrogen atoms off the Oxygen?
Maybe Venus formed the way it did because it is "inside the HZ".
What critical "foreign" chemicals could be introduced to that region of sun-space that are missing because because they were "blown away" during the early formation of the solar system?