Answer:
All organisms are composed of more than one cell and new cells are produced by the division of existing cells support the cell theory.
Step-by-step explanation:
The cell theory of Schleiden and Schwann focused the efforts of biology on the cell as the minimum structure of life, this theory indicates a common feature for all living beings: All living beings are composed of cells and products made by them, that is, all the cells that exist come from previous cells. By cell division or by formation from stem cells. The oldest and most primitive cells in the world are prokaryotes.