How to Make a Closed Aquatic Ecosystem. A closed aquatic ecosystem is similar to an aquarium, only it is closed to the outside world so that all the needs of life must be met by the plants and animals within the system.
If you've ever dreamed of owning your own tabletop biosphere, or looking for a fun project either to display in your home or give as a gift, look no further. Here are some resources to creating your own living biosphere .
An ecosystem is a balance of living organisms interacting with non-living organisms. The living organisms occupy habitats, which expand and contract in size to meet the organisms' needs for survival. Those needs include water, food,.