Tumu’s class was given an assignment to feature a scientist that contributed to the development of the cell theory. The class decided to use images to feature the scientist of their choice. Which image would Tumu most likely use in his assignment to feature Rudolf Virchow?

a. the magnified shapes of cells in a piece of cork
b. the different cells that make up a plant leaf
c. the types of cells at work in the human body
d. the way root cells reproduce to increase root length