Stomata are small openings on plant leaves that regulate gas exchange, and their evolution is closely linked to the transition from C3 to C4 photosynthesis. Studies on the Flaveria genus have ...
While 95% of plants use C3 photosynthesis, SciTechDaily explained, a new group of plants evolved to use C4 photosynthesis around 30 million years ago. C3 gets the job done, but it has flaws.