Is an aquarium a complete ecosystem?

Q. Paddy fields, Gardens, Aquarium are the examples of __________ ecosystem.

Q. (a) What is an ecosystem? List its two main components.
(b) We do not clean ponds or lakes, but an aquarium needs to be cleaned regularly. Explain.

Q.

How can an aquarium be made into a self-sustaining unit like a natural ecosystem?

Q. Garden, aquarium, man made spaceship comes under __________ ecosystem.

Q. An ecosystem, such as an aquarium, is self-sustaining if it involves the interaction between organisms, a flow of energy, and the presence of