plants perform photosynthesis
photosynthesis is process. photosynthesis_in_plants is oxygenic_photosynthesis. general_photosynthesis is physiological_function. photosynthesis_in_plants is general_photosynthesis. photosynthesis is photo_chemical_process. general_photosynthesis is biological_energy_transfer. photosynthesis_in_plants is physiological_process. photosynthesis is chemical_process. general_photosynthesis is production. photosynthesis_in_cam_plants is photosynthesis_in_plants.