Some use radiation tho.
sciencealert.com/bacterium-lives-off-nuclear-ener…
And maybe related en.m.wikipedia.org/wiki/Radiotrophic_fungus
Comment on Oxygen
azi@mander.xyz 2 months agoOrganisms need some oxidizing agent to respire. We use oxygen because it’s very highly reactive and thanks to photosynthesis is goddamn everywhere.
MonkderVierte@lemmy.ml 2 months ago
Paradachshund@lemmy.today 2 months ago
Can you explain that first part in more detail? I really know nothing about this and I’m curious to hear more.
Tlaloc_Temporal@lemmy.ca 2 months ago
Fire gets it’s energy from fuel+oxygen. Most life does too. Plants (and other photosynthetic organisms) can also get energy from light but that requires you to sit in the sun doing not much for a long time. There’s also chemosynthesis, where energy is obtained from a chemical reaction, but that’s usually not nearly as powerful as oxidation.
Put another way, a car with NOS is way faster and more powerful than one without. So too is life that uses oxygen more powerful than life that doesn’t.
Paradachshund@lemmy.today 2 months ago
That’s really interesting. I didn’t realize the burning in slow motion thing was so literal. Thanks for the comment!
chatokun@lemmy.dbzer0.com 2 months ago
It’s so ingrained in our life processes. You know Calories? The capital C version(or Kcal in some countries) is 1000 calories. What do they measure? The potential heat whatever is being measured can generate. Our fuel intake is measured by how well it burns.