In freshwater microorganisms, an organelle known as the contractile vacuole regulates the flow of water into and out of the cell. what conditions would cause organelle inside of the cell to fill with water? A. The concentration of the water inside the cell is the same as the outside of the cell.

B. The temp of the water inside the cell is greater that outside the cell.

C. The concentration of the water is greater outside of the cell than inside the cell.

D. The water pressure is higher outside the cell