Question

Using an example of a natural pond and a small aquarium, explain the structure of an aquatic ecosystem. Between the pond and the aquarium, which of the two is a self- sustaining ecosystem? Give reasons in support of your answer.

Answer 1

Answer:

pond is a self sustaining eco system. as Aquarian is an human made ecosystem to support and give better facilities to organism . an aquarium need to clean after a period . but a pond gets cleans by environmental factors.

Explanation:

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