For this chain-of-thought reasoning and answer, what was the question?
Biodiversity increases the productivity and stability of ecosystems. Ecotourism, on the other hand, can help to conserve biodiversity. Ecotourism increases the stability of ecosystems.
 A: (G)
Q: What increases the stability of ecosystems?
Options:
- (A) overpopulation
- (B) water consumption
- (C) loose soil
- (D) Quality of life
- (E) agriculture
- (F) deforestation
- (G) ecotourism
- (H) trees