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

Fact 2: Biodiversity is basically genetic diversity.

Given the two facts above, answer the question "What increases the productivity and stability of ecosystems?" with the following options: 
- Fully cooking the oysters
 - genetic uniformity
 - genetic diversity
 - extinction
 - agriculture
 - disease
 - Earth orbiting the Sun
 - recycling


 

   genetic diversity      