A) passive transport by the endodermis B) the evaporation of water from the leaves C) active transport by parenchyma cells within xylem tissue D) the number of companion cells in the phloem E) active transport by tracheid and vessel elements
A) pressure potential and membrane potential. B) pressure potential and solute potential. C) solute potential only. D) solute potential and membrane potential. E) solute potential and osmotic potential.