Question

Which is not a natural ecosystem?​

Answer 1

Answer:

hi

it is evident that amoungst a forest, a desert and an aquarium, the aquarium is not a natural ecosystem. it is called as an artificial ecosystem since it is man- made.

Explanation:

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Answer 2

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Answer :  * It is evident that amongst a forest , a desert and an forest ,  the aquarium is not a natural ecosystem.

                * It is called as artificial ecosystem since it is man-

                  made.

                * However an aquarium is considered as ecosystem

                   by taking into account the faunal life which may    

                   include fish , snails, or other aquatic animals

                    along with aquatic plants.

                * This system thrives by an external intervation

                   human