Answer:
Cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
Step-by-step explanation:
The Cell Theory states: All living organisms are composed of cells. They may be unicellular or multicellular. The cell is the basic unit of life. Cells arise from pre-existing cells. (They are not derived from spontaneous generation.) The modern version of the Cell Theory includes the ideas that: Energy flow occurs within cells.