* Mini-ecosystem: This is a straightforward and widely understood term.
* Closed ecosystem: This emphasizes the self-sustaining nature of the system, with minimal external inputs.
* Terrarium: This is a more specific term, often used for ecosystems that primarily contain plants.
* Aquarium: This is another specific term, often used for ecosystems that contain aquatic organisms.
* Biosphere: While this term is typically used for the Earth's entire ecosystem, it can be applied to a small-scale, enclosed system.
The best term to use depends on the specific ecosystem you are describing and the context of your discussion.
