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Jun 7, 2022 at 21:07 comment added uhoh I'd always assumed that being a precursor for handy molecules like starch and cellulose would have made it quite an attractive choice for plants as well
Jun 7, 2022 at 17:05 comment added MikeyC Excellent answer. I would just emphasize that cellular life existed on Earth existed for at least a billion years before the evolution of photosynthesis. That's a long time for organisms to have refined the storage and utilization of organic molecules for energy. It makes a lot of sense that photosynthesis would evolve in a way that most efficiently feeds into these existing metabolic cycles.
Jun 6, 2022 at 22:49 history answered Darlingtonia CC BY-SA 4.0