Fact 1: Biodiversity increases the productivity and stability of ecosystems.

Fact 2: An ecosystem includes the organisms and their habitat.

Given the two facts above, answer the question "what does biodiversity increase the productivity and stability of?" with the following options: 
- density
 - the looseness of soil
 - water vapor
 - the environment
 - h2o
 - swamp vegetation
 - biological diversity
 - organisms and their habitat


 

        organisms and their habitat 