Symbiosis meaning

sĭmbē-ōsĭs, -bī-
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(biology) A close, prolonged association between two or more different organisms of different species that may, but does not necessarily, benefit each member.
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A similar relationship of mutual interdependence.
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A relationship of mutual benefit or dependence.
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(biol.) The intimate living together of two kinds of organisms, esp. if such association is of mutual advantage.
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A relationship of mutual benefit or dependence.
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Symbiosis is defined as relationships or interactions between people or organisms which are mutually beneficial to both.

An example of symbiosis is when a small fish cleans the teeth of a large fish and the large fish protects the small fish from predators.

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(biology) A close, prolonged association between two or more organisms of different species, regardless of benefit to the members.
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(biology) A close, prolonged association between two or more different organisms of different species that may, but does not necessarily, benefit each member.
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The close association between two or more organisms of different species, often but not necessarily benefiting each member. The association of algae and fungi in lichens and of bacteria living in the intestines or on the skin of animals are forms of symbiosis. Some scientists believe that many multicellular organisms evolved from symbiotic relationships between unicellular ones and that the DNA-containing organelles within certain eukaryotic cells (such as mitochondria and chloroplasts) are the product of symbiotic relationships in which the participants became interdependent. There are four forms of symbiosis: amensalism , commensalism , mutualism , and parasitism .
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Origin of symbiosis

  • Greek sumbiōsis companionship from sumbioun to live together from sumbios living together sun- syn- bios life gwei- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek συμβίωσις (sumbiōsis, “living together").

    From Wiktionary