5 ms·

Not quite true, there are some rock-eating fungi. https://www.sciencemag.org/news/2016/03/iron-eating-fungus-disintegrates-rocks-acid-and-cellular-knives https:

• jtms 5y ago
  interesting - didn't know this! Well I think we can confirm there are plenty of rocks on Mars.
• sampo 5y ago
  Also fungi that "feed" on ionizing radiation. https://en.wikipedia.org/wiki/Radiotrophic_fungus https://en.wikipedia.org/wiki/Radiotrophic_fungus