taking in carbon dioxide is a stage in the photosynthesis process
photosynthesis is process. photosynthesis is synthesis. photosynthesis is photo_chemical_process. photosynthesis_in_plants is physiological_process. photosynthesis is chemical_process. carbon_cycle is thermonuclear_reaction. general_photosynthesis is biochemical_synthesis. general_photosynthesis is production. photosynthesis is process_by_which_leaf_makes_food. photosynthesis_in_cam_plants is photosynthesis_in_plants.