The answer would be kingdom
Kingdoms are Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia.
I'm not sure if these 6 kingdoms I listed are one of the"which of the following"options you asked for so I hope it helps.
Veins provide support for the leaf and transport both water and minerals (via xylem) and food energy (via phloem) through the leaf and on to the rest of the plant.
Cellular respiration takes glucose and oxygen and converts it into carbon dioxide, water and ATP (energy).
