2 ms·No reason they couldn’t, if it was advantageous for them though.by lazide 2y agoNo reason they couldn’t, if it was advantageous for them though.simmo9000 2y agoUmm... https://en.wikipedia.org/wiki/Biological_carbon_fixation https://en.wikipedia.org/wiki/Biological_carbon_fixation.lazide 2y agoWhat is your point exactly?