Mutualism

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Mutualism Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • the relation between two different species of organisms that are interdependent; each gains benefits from the other

Definitions from Wiktionary


  • the relation between two different species of organisms that are interdependent; each gains benefits from the other

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Mutualism Meaning and Definition in Wikipedia


Mutualism is a relationship between two organisms in which both benefit. It is a type of symbiosis which improves the biological fitness of both parties. The two organisms usually come from widely different types, often from different phyla or even kingdoms. The term is not used for any cooperation between animals of the same species.

Pierre-Joseph van Beneden (1809–1894) introduced the term into evolutionary biology and ecology in the 1870s.

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Mutualism Sample Sentences in News


  • Why Black Bears Are Nature's Landscape Architects
    This lovely bit of mutualism is part of a larger food web extending, improbably, to the black bears living nearby. Black bears, it turns out, like to eat ants. In Colorado’s Rocky Mountain National Park ants make up nearly a third of the diet for black bears, by volume. By doing so, the bears cause a trophic cascade, according to a paper published last month in Read more on this news related to 'Mutualism'

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