Fossils from microorganisms that were giving the middle finger to the universe 3.4 billion years before human beings dreamed up the concept of god. They didn’t give a fuck there was no oxygen.
Earth’s oldest fossils have been found in Australia by a team from the University of Western Australia and Oxford University. The microscopic fossils show convincing evidence for cells and bacteria living in an oxygen-free world over 3.4 billion years ago.
Bacteria are totes legit.