According to the cell theory, which statement is correct? A) Viruses are true cells. B) Cells are basically unlike in structure. C) Mitochondria are found only in plant cells. D) Cells come from preexisting cells.

D) Cells come from preexisting cells.

Explanation:

The universal i.e widely accepted cell theory was proposed in 1800's by the contribution of three scientists namely Theodor Schwann, Matthias Schleiden, and Rudolf Virchow. They came together and proposed three main components that make up the cell theory today. The components are:

- All living things are composed of one or more cells.

- Cell is the basic and fundamental unit of life

- All cells come from preexisting cells.

Based on these three components of the cell theory, the statement that: "Cells come from preexisting cells" in the options is correct.

to treat tumors in the body

depends on what you mean by "group." for order, it would be coleoptera (beetles). for class, it would be insecta (insects). for phylum, it would be the arthropoda (animals with jointed exoskeletons).

explanation: