Question

(02.02 mc)
the cell theory was first proposed in 1838. evidence obtained through additional scientific investigations resulted in the current cell theory. which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
all living things are made of cells.
all cells come from other preexisting cells.
cells are the basic structural and functional units of life.
cells form through spontaneous generation.

Explanation:

The original cell theory had an idea of spontaneous generation of cells. But with more scientific research, this was removed as it was found that cells come from pre - existing cells. The other statements are still valid components of cell theory.

Answer:

D. Cells form through spontaneous generation