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    • Diagram of the different shapes of bacteria.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 18 October 2010 Size: 23 KB Referencing Hub media

    A bacterium is just a single cell with a tough cell wall that protects it. The different shapes of bacteria enable us to place them in different family groups:

    A. Bacilli with and without flagella
    B. Streptococci
    C. Staphylococci
    D. Diplococci
    E. Spirochete
    F. Club rod
    G. Filamentous
    H. Streptobacilli

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