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

Fact 2: Islands are delicately balanced ecosystems.

Given the two facts above, answer the question "Biodiversity increases the what of islands?" with the following options: 
- water source
 - stability
 - Plants growth
 - our planet
 - luminescence
 - environment
 - human population
 - allow growth


 

  stability       