What is organism?

  • (noun): A system considered analogous in structure or function to a living body.
    Example: "The social organism"
    See also — Additional definitions below


In biology, an organism is any contiguous living system (such as animal, fungus, micro-organism, or plant). In at least some form, all types of organisms are capable of responding to stimuli, reproduction, growth and development, and maintenance of homeostasis as a stable whole.

Read more about Organism.

Some articles on organism:

Adaptive Behavior (ecology) - Nonheritable Adaptive Behavior
... is commonly known as an ecological niche, and is simply how an organism lives in an environment in relation to others ... Over successive generations, the organism must adapt to their surrounding conditions in order to develop their niche ... An organism’s niche will evolve as changes in the external environment occur ...
Schinderhannes Bartelsi - Significance
... The organism allows the classification of early arthropods to be resolved, to some degree ... The organism is classified basally to the true arthropods, but is closer to that group than Anomalocaris ... The organism's discovery was most significant because of the huge range extension of the anomalocaridids it caused the group was only previously ...
Largest Organisms - Fungi
... This organism is estimated to be 2400 years old ... If this colony is considered a single organism, then it is the largest known organism in the world by area, and rivals the aspen grove "Pando" as the known organism with the ... It is not known, however, whether it is a single organism with all parts of the mycelium connected ...
Aquatic Locomotion - Micro-organisms - Ciliates
... are multiple cilia packed together on an individual organism, they display collective behavior in a metachronal rhythm ... deformation waves that propagate along the surface of the organism ... These propagating waves of cilia are what allow the organism to use the cilia in a coordinated manner to move ...
... Antibiosis is a biological interaction between two or more organisms that is detrimental to at least one of them or an antagonistic association between an organism and the metabolic ... The general relationship between an antibiotic and an infectious organism is one of antibiosis ... This word refers to an association of two organisms in which one is harmed or killed by the other ...

More definitions of "organism":

  • (noun): A living thing that has (or can develop) the ability to act or function independently.
    Synonyms: being

Famous quotes containing the word organism:

    All progress is based upon a universal innate desire on the part of every organism to live beyond its income.
    Samuel Butler (1835–1902)

    Apathy is one of the characteristic responses of any living organism when it is subjected to stimuli too intense or too complicated to cope with. The cure for apathy is comprehension.
    John Dos Passos (1896–1970)

    fundamentally an organism has conscious mental states if and only if there is something that it is like to be that organism—something it is like for the organism.
    Thomas Nagel (b. 1938)