Expand the significance of photosynthesis as a global process on the planet.

1) the appearance of photosynthesis provided heterotrophic organisms with primary production.
2) as a result of the appearance of photosynthesis, the composition of the atmosphere has changed. The percentage of oxygen increased greatly.
3) as a result of this, aerobic organisms appeared, they had an oxygen stage of energy metabolism, which made it possible to receive more energy, therefore, eukaryotes appeared, including many cellular organisms, that is, photosynthesis provided the biological diversity of organisms.



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