Before revision: 248x248px|Dart frogs housed in a heavily planted bioactive display terrarium A bioactive terrarium (or vivarium) is a terrarium for housing one or more terrestrial animals that includes live plants as well as populations of small invertebrates and microorganisms to consume and break down the waste products of the primary species.
After revision: 248x248px|Dart frogs housed in a heavily planted bioactive display terrarium A bioactive terrarium (or vivarium) is a terrarium for housing one or more terrestrial animal species that includes live plants and populations of small invertebrates and microorganisms to consume and break down the waste products of the primary species.