Bacteria | Amoeba |
Belong to kingdom Monera. | Belong to kingdom Protista. |
The nuclear substances are not enclosed and hence are called prokaryotes. | The nuclear substances are enclosed by the nuclear membrane and hence are called eukaryotes. |
Cell wall is present. | Cell wall is absent. |
Absorb externally digested food. | Digest food themselves by enclosing it using pseudopodia. |
Found in air water and soil. | Found only in water. |