What is a Keystone species? | vedclass

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(B) $Keystone$ species is a plant or animal that plays a unique and crucial role in the way an ecosystem functions.Without $Keystone$ species,the ecos

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$A$ species that has a low population density but plays a critical role in maintaining the structure and function of an ecosystem.

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(B) $Keystone$ species is a plant or animal that plays a unique and crucial role in the way an ecosystem functions.Without $Keystone$ species,the ecosystem would be dramatically different or cease to exist altogether.Even though their population density or biomass might be relatively low,their impact on the ecosystem is disproportionately large compared to their abundance.Therefore,option $B$ is the correct definition.

What is a $Keystone$ species?

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