Answer:
A. The cell theory
Step-by-step explanation:
A scientist expects every newly formed organism to be made up of cells because of the knowledge of cells.
From the cell theory, we know that the cell is the fundamental and basic unit of life.
Also, all cells are derived from pre-existing cells.
- From these properties of cells, it is pertinent that in all life forms, we are able to find cells within them.
- Also, organisms are made up of cell combinations to give multicellular structures
- Although, some organisms exists at the cellular levels.