Posted: Feb 26, 2020 2:23 pm
Um, no.
Life on earth originated in an anoxic environment. The concentration of oxygen in the atmosphere (let alone, in the marine environment) was quite low until the evolution of photosynthetic bacteria. Read about the Great Oxidation Event:
https://en.wikipedia.org/wiki/Great_Oxidation_Event
Life on earth originated in an anoxic environment. The concentration of oxygen in the atmosphere (let alone, in the marine environment) was quite low until the evolution of photosynthetic bacteria. Read about the Great Oxidation Event:
https://en.wikipedia.org/wiki/Great_Oxidation_Event