In a grassland ecosystem, as vegetation grows, reproduces, and dies, the amount of soil increases. Over time, as the remains of plants and animals decompose (break down), nutrients increase in the soil. Which statement best describes how the stability of the ecosystem will be effected? 1. Biodiversity will likely decrease, which will decrease the stability of the ecosystem.

2. Biodiversity will likely decrease, which will increase the stability of the ecosystem.

3. Biodiversity will likely increase, which will decrease the stability of the ecosystem.

4. Biodiversity will likely increase, which will increase the stability of the ecosystem.