I WILL MARK YOU AS THE BRAINLIEST ANSWER btw this is on study island Cork is a material that is often used to make bottle stoppers and bulletin boards. This material is made from cork oak trees.

In 1665, a scientist named Robert Hooke examined a thin slice of cork under a microscope. The slice was made up of many small compartments, which Hooke called cells.

What part of cell theory does Hooke's discovery best support?
A.
Energy flow, or metabolism, occurs within cells.

B.
Cells contain genetic material that is passed to daughter cells.

C.
Cells are the basic building blocks of all living organisms.

D.
All new cells come from pre-existing cells.