When the organisms live together in such...

When the organisms live together in such a manner that one organism is benefited while others have no effects, it is termed as :

parasitism

mutualism

tautomerism

commensalism

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[A] : When the organisms live together in such a manner that one organism benefitted , while other has no effects , it is called commensalism . [R] : In commensalism one partner derives benefit from the other partner without in any way benefitting or harming it .

The phenomenon of one organism being benefitted with out affecting the other is

Select the statement which best explains commensalism (a) One organism is benefitted (b) Both the organisms are benefitted (c) One organism is benefitted , other is not affected (d) One organism is benefitted , other is affected .

Select the statement which explains best parasitism. (a) One organism is benefited. (b) Both the organisms are benefited. (c) One organism is benefited, other is not affected. (d) One organism is benefited, other is affected.

Assertion Commensalism is a type of positive interaction. Reason In commensalism, one organism is benefitted, while other is harmed.

Fill in the blanks : (a) The aggregation of individuals of species is called ………. . (b) The relationship where one organism is benefitted , while the other is neither benefitted nor harmed , is referred as ….. . (c) Organisms preying on animals are called ..... . (d) An association of two species in which both species are benefitted is called .... .

Social position held by one organism with respect to its other associates is termed:

[A] : There is a grudual increase in the energy content at successive trophic level from producer to consumers . [R]:When one organism benefits the other in a chain , it is called commensalism .

One of the following organisms can live without oxygen of air. This organism is:

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