Cause it does not have to be followed by and believed by the theory itself.
Answer:
The cell was first discovered by Robert Hooke in 1665 using a microscope. The first cell theory is credited to the work of Theodor Schwann and Matthias Jakob Schleiden in the 1830s.
A prokayrotic cell has no nucleus
The reason is they are afraid of being picked on by a bigger crowd therefore increasing their chances to be bullied
