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What is an ecosystem ? List its two main components. We do not clean natural ponds or lakes but an aquarium needs to be cleaned regularly. Why is it so ? Explain. |
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Answer» Ecosystem is the structural and functional unit of biosphere, comprising of all the interacting organisms in an area together with the non-living constituents of the environment. Two main components of Ecosystem are : (i) Biotic component (ii) Abiotic component An aquarium is an artificial and incomplete ecosystem compared to pond or lakes which are natural, self-sustaining and\ complete ecosystem where there is a perfect recycling of materials. Cleaning of aquarium is necessary because of : (i) Absence of natural decomposer. (ii) Stagnancy of water. |
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