Bacteria

Introduction;-

The bacteria were discovered by Leeuven hook in 1673.He named them little animal.In 1773 a Denish scientist Fredrick Muller named them Bacilli.In 1850 French biologist Casimir Bavaine named them bacteria.

Definition:-

 The microscopic,unicellular,prokaryotic organism characterized by the lack of membrane bound organelles and membrane bound nucleus.the bacteria are the descendant of the earliest form of life and the unicellular prokaryotes or simple association of similar cells..

Classification:-

The general of an individual cell as seen bright field.

1. Coccus.
2. Bacillus.
3. Spirillum.