Cilia

Flagella

1. They are 2-10nm in length.

2. They are hair-like.

3. Their number per cell is relatively large.

4. They usually cover the entire exposed surface of the cell.

5. They beat in co-ordinated manner.

6. They exhibit sweeping or rowing motion.

7. The ciliary locomotion is fast.

1. They reach a length upto 150nm.

2. They are whip like.

3. Their number per cell is relatively small, usually 1-4.

4. They are present at one end only.

5. They beat independently.

6. They show undulating motion.

7. The flagellar locomotion is slow.