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  2. Non-cellular life - Wikipedia

    en.wikipedia.org/wiki/Non-cellular_life

    Non-cellular life, also known as acellular life, is life that exists without a cellular structure for at least part of its life cycle. [1] Historically, most definitions of life postulated that an organism must be composed of one or more cells, [2] but, for some, this is no longer considered necessary, and modern criteria allow for forms of life based on other structural arrangements.

  3. Microbiology - Wikipedia

    en.wikipedia.org/wiki/Microbiology

    Microbiology (from Ancient Greek μῑκρος (mīkros) 'small' βίος (bíos) 'life' and -λογία 'study of') is the scientific study of microorganisms, those being of unicellular (single-celled), multicellular (consisting of complex cells), or acellular (lacking cells).

  4. Cellular microbiology - Wikipedia

    en.wikipedia.org/wiki/Cellular_microbiology

    Cellular microbiology is a discipline that bridges microbiology and cell biology. The term "cellular microbiology" was coined by the authors of the book of the same title published in 1996. [ 1 ] Cooperation and mutual dependency between microbiology and cell biology had been increasing in the years before that, and the emergence of a new ...

  5. Bacteria - Wikipedia

    en.wikipedia.org/wiki/Bacteria

    The communal benefits of multicellular cooperation include a cellular division of labour, accessing resources that cannot effectively be used by single cells, collectively defending against antagonists, and optimising population survival by differentiating into distinct cell types. [157] For example, bacteria in biofilms can have more than five ...

  6. Physarum polycephalum - Wikipedia

    en.wikipedia.org/wiki/Physarum_polycephalum

    Physarum polycephalum, an acellular [1] slime mold or myxomycete popularly known as "the blob", [2] is a protist with diverse cellular forms and broad geographic distribution. The “acellular” moniker derives from the plasmodial stage of the life cycle : the plasmodium is a bright yellow macroscopic multinucleate coenocyte shaped in a ...

  7. Branches of microbiology - Wikipedia

    en.wikipedia.org/wiki/Branches_of_microbiology

    Cellular microbiology: a discipline bridging microbiology and cell biology; Evolutionary microbiology: the study of the evolution of microbes. This field can be subdivided into: Microbial taxonomy: the naming and classification of microorganisms Bacterial taxonomy: the naming and classification of bacteria

  8. Microorganism - Wikipedia

    en.wikipedia.org/wiki/Microorganism

    A microorganism, or microbe, [a] is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells.. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India.

  9. Marine microorganisms - Wikipedia

    en.wikipedia.org/wiki/Marine_microorganisms

    Microorganisms make up about 70% of the marine biomass. [4] A microorganism, or microbe, is a microscopic organism too small to be recognised adequately with the naked eye. In practice, that includes organisms smaller than about 0.1 mm. [12]: 13