Symbiosis

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Symbiosis

Symbiosis (pronunciation: /sɪmbɪˈoʊsɪs/) is a biological term that refers to the interaction between two different organisms living in close physical association, typically to the advantage of both. The term was first coined in 1877 by the German mycologist Heinrich Anton de Bary, who defined it as "the living together of unlike organisms."

Etymology

The term "symbiosis" comes from the Greek words "syn" meaning "with" and "biosis" meaning "living." It was first used in English in the late 19th century.

Types of Symbiosis

There are three main types of symbiosis, each with a different effect on the organisms involved:

  • Mutualism: Both organisms benefit from the relationship.
  • Commensalism: One organism benefits, while the other is neither helped nor harmed.
  • Parasitism: One organism benefits at the expense of the other.

Related Terms

  • Host: The organism that a symbiont lives on or in.
  • Symbiont: An organism that lives in symbiosis with another.
  • Endosymbiosis: A form of symbiosis in which one organism lives inside the other.

See Also

External links

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