when might an increase in biodiversity lead to a decrease in the stability of an ecosystem?

when might an increase in biodiversity lead to a decrease in the stability of an ecosystem?
Answer
Brief Explanations:
When new species are invasive, they can out - compete native species for resources like food and habitat. This disrupts existing ecological relationships such as predator - prey and symbiotic interactions, thus decreasing ecosystem stability despite the increase in biodiversity.
Answer:
When the new species added due to increased biodiversity are invasive species.