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Emergence of eukaryotes specifically entailed aerobic respiration of the mitochondria, which was a massive increase of chemical energy (when glucose and oxygen
by chasil 4y ago
Emergence of eukaryotes specifically entailed aerobic respiration of the mitochondria, which was a massive increase of chemical energy (when glucose and oxygen are present).
Chloroplasts enabled direct harvest of photons from our parent star.
We are actually older than the plants.
These are going to leave a signature in the gas of an exoplanet, if they happen.
- scotty79 4y agoOxygen on our planet was a wasteproduct of life before life learned how to use it. If some planet had oxygen rich atmosphere from the get go it might have sped up the evolution of life by a billion years or few.