A student had an assignment to describe the cell theory to the class. The student made a poster about the cell theory as it relates to all organisms. However, on the way to school, the poster snagged on a rough surface and ripped. The remaining piece of the poster is shown here. Which statement could best fit in the missing part of the poster? A)all cells have cell walls. B)all living things are multicellular
C)all living things are made up of cells
D)all cells have the same size and shape