Biodiversity increases the productivity and stability of ecosystems, and ecotourism, on the other hand, can help to conserve biodiversity. Given these facts, what increases the stability of ecosystems among the following options:
- overpopulation
 - water consumption
 - loose soil
 - Quality of life
 - agriculture
 - deforestation
 - ecotourism
 - trees


 

       ecotourism  