Read the following statements and find out the incorrect statement.

Options

A. In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a single cell.
B. In the complex body of multicellular animals different basic functions are carried out by different groups of cells.
C. The body of Hydra is made of different types of cells and the number of cells in each type can be in thousands.
D. When two or more organs perform a common function by their physical and/or chemical interaction they together form an organism.

Answer

D

Explanation

When two or more organsperform a common function by their physical and/or chemical interaction they together form an organ system.