Question

Are all complex organisms made up of more than one cell

Answer 1

This statement is true. for those organisms that are made up of more than one cell are considered complex.

For example: complex organisms like...

fox, bunny, lion, human, etc.

Answer 2

Unicellular organisms can be complex too, even though they are simply a one-cell organism. They include bacteria, yeast, amoeba, and paramecia.