Commensalism is a term employed in ecology to describe a relationship between two living organisms where one benefits and the other is not significantly harmed or helped.
commensalism
an association of members of two or more species (not truly parasites) that live in, on, or with each other, and usually partake of the same food ...
COMMENSALISM
Sometimes one species can benefit from a relationship and not hurt the other. That relationship describes commensalism. I've got a nice looking branch that no one's using. A plant comes over and settles in.
Commensalism
Commensalism means "at table together". It is used for symbiotic relationships in which one organism consumes the unused food of another. Some examples: ...
Commensalism. The close association of two or more dissimilar organisms where the association is advantageous to one and doesn't affect the other(s). See Parasitism, Symbiosis.
commensalism A symbiotic relationship in which one species benefits and the other is not affected.
community All species or populations living in the same area.
commensalism
(kuh-men-sul-iz-um) [L. com, together + mensa, table]
A symbiotic relationship in which the symbiont benefits but the host is neither helped nor harmed. See Symbiosis.
community ...
commensalism A relationship in which one individual lives close to or on another and benefits, and the host is unaffected; often symbiotic.
However, mutualism, parasitism, and commensalism are often not discrete categories of interactions and should rather be perceived as a continuum of interaction ranging from parasitism to mutualism.
Commensalism is a symbiosis where one organism benefits and the other is not harmed or helped. The symbiotic relationship between alge and fungi in lichens is an example of this. Mutualism is a symbiosis where both organisms benefit.
A relationship between two organisms that live in intimate contact with each other; includes mutualism (both organisms benefit, they rely on each other for survival), parasitism (one organism benefits at its host's expense) and commensalism (one ...
 See also: Organ, Plant, Animal, Species, Environment
  
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