The Cell Theory Summary

-All living things are composed of cells.

-Cells are the basic units of structure and function in living things. -All cells come from pre-existing cells.

Directions: Read and answer what is being asked. Write your answer on a separate sheet of paper.

A. Arrange the events in chronological order as I, II, III, IV and V with I as the oldest and

V as the latest event.

1. Tiny chambers that look like empty compartments were called cells.

2. A scientist concluded that cells come from pre-existing cells.

3. Microorganisms like bacteria and protozoa were seen under a microscope. 4. Schwann studied the animal cells.

5. A German scientist studied plant cells.​