Final answer:
Cilia and flagella are organelles of locomotion in cells. Cilia are short, hair-like structures that move entire cells or substances along the cell's outer surface, while flagella move an entire cell.
Step-by-step explanation:
Cilia and flagella are organelles of locomotion in cells. Cilia are short, hair-like structures that move entire cells or substances along the cell's outer surface. They are found in large numbers on the cell surface. Flagella, on the other hand, are long, hair-like structures that move an entire cell. When present, a cell has just one flagellum or a few flagella. They are involved in the movement of the organism.