Here's a problem to solve: Dominic is observing a volvox colony and a paramecium under a microscope. He makes a note in his journal that the volvox colony and the paramecium are similar because they have many organelles for movement. What would Dominic most likely notice about the movement of a volvox colony and a paramecium?

Among the 4 following options, which is the correct answer?

- A: They both move at the same rate.
 
- B: They both move away from light.
 
- C: They both move in the same direction.
 
- D: They both move toward an energy source.
 