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What is Symbiotic nutrition(commensalism)?

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Last updated date: 14th Jul 2024
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Answer
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Hint: Earth is a natural habitat of many species, and there is no single habitat where we don’t find more than one species. So different species come together and interact with each other, these interactions are known as Interspecific interactions. These interactions may be beneficial, detrimental or neutral to both the species or one of the species involved.

Complete answer:
We are already aware that the species interact with each other. These interactions can be of different types-
a) Mutualism: where both species are benefited. Example Rhizobium bacteria present in the leguminous plants.
b) Competition: It is the relationship between organisms where both species are harmed.
c) Predation: It is the relationship between organisms where one species is benefited and the other species is killed.
d) Parasitism: It is the relationship between organisms where one species is benefited and other species is harmed. Eg-Leech.
e) Amensalism: It is the relationship between organism where one species is harmed and other species is neutral.
f) Commensalism: It is the relationship between organism where one species is benefited and other species is neutral.

Thus Symbiotic Nutrition (Commensalism) is a type of relationship between two species where one is getting benefit from the other species and the other species derives neither benefit nor harm from former species.
5) Example of such nutrition are:
S.no.ExampleSpecies getting benefitNeutral Species
1.Orchid and MangoOrchidMango
2.Barnacles and whaleBarnacleWhale
3.Cattle egret and Grazing cattleCattle egretGrazing Cattle
4.Sea anemone and clown fishClown fishSea anemone


Note: Commensalism and Mutualism are different, here in commensalism one species is neutral is getting no benefit from other species but in mutualism both need to get some benefit from each other like lichen where photosynthesising algae or cyanobacteria makes food and fungi provide shelter.