Question

According to cell theory, what do these four organisms have in common?

Answer 1

A. they are made of one or more cell

Answer 2

Answer: A) They are made of one or more cells.

Cell theory was proposed by Schleiden and Schwann in 1839.

There are three basic principles of this theory, which are as follows-

• All life forms are made up one or more cells.
• The cell is considered as the basic unit of structure and organization in all living organisms.
• All cells are obtained from already existing cells

Thus, the correct answer is A) They are made of one or more cells.