An aquarium is a constructed ecosystem.
1) It consists of a rectangular tank with glass walls.
2) It has a lid which has several openings for the circulation of air.
3) We must put the abiotic components.
4) Sand must be washed before introducing it into the tank....................Read
http://www.indiastudychannel.com/resources/136542-Aquarium.aspx
1) It consists of a rectangular tank with glass walls.
2) It has a lid which has several openings for the circulation of air.
3) We must put the abiotic components.
4) Sand must be washed before introducing it into the tank....................Read
http://www.indiastudychannel.com/resources/136542-Aquarium.aspx
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