Molecules of A
10. The activity of a single-celled organism is represented
in the diagram below. Which concept is best illustrated
by the diagram to the right?
Food
molecules
1. The life functions performed by single-celled
C
organisms are different from the life functions
performed by complex organisms.
2. Single-celled organisms carry out life functions
that are essential for survival.
3. Since single-celled organisms lack organs, they can survive only in moist
environments.
4. Single-celled organisms contain one organelle that performs all the life functions