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Ecology: The branch of biology that deals with the relation of organisms & to one another & to their physical surrounding.
Eco - system: Ecosystem is a community of plants, animals & smaller organisms that live, feed, reproduce & interact in the same area.
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Ecosystem is a community of living organisms(biotc) living together along with the non living(abiotic) component of the environment,interacting with each other.

Ecology is the scientific study of the interactions among organisms and their environment.
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