Bacteria are single celled organism and have no nucleus.

All the above diseases are caused by bacteria.

Bacteria are very small living things that can only be seen with special equipment (a microscope). Bacteria exist in large numbers in air, water, soil, plants and the bodies of people and animals. Some bacteria cause disease

Bacteria are very small living things that can only be seen with special equipment (a microscope). Bacteria exist in large numbers in air, water, soil, plants and the bodies of people and animals. Some bacteria cause disease

Bacteria are single celled disease causing micro-organism. Fungi are multi celled disease causing micro-organism. Protozoa can be unicellular or multicellular. Algae includes multicellular, photosynthetic organisms.

Bacteria are very small living things that can only be seen with special equipment (a microscope). Bacteria exist in large numbers in air, water, soil, plants and the bodies of people and animals. Some bacteria cause disease

Group of bacteria which are able to synthesize their own food are called Autotrophic bacteria.

Bacteria are very small living things that can only be seen with special equipment (a microscope). Bacteria exist in large numbers in air, water, soil, plants and the bodies of people and animals. Some bacteria cause disease

Bacteria are very small living things that can only be seen with special equipment (a microscope). Bacteria exist in large numbers in air, water, soil, plants and the bodies of people and animals. Some bacteria cause disease

Bacteria are very small living things that can only be seen with special equipment (a microscope). Bacteria exist in large numbers in air, water, soil, plants and the bodies of people and animals. Some bacteria cause disease