Biology

The correct answer is: C.It decreases the vulnerability of tree species to pests and other natural threats.

Genetic diversity plays a critical role in maintaining the health and resilience of forest ecosystems. A higher level of genetic diversity within a tree population means there is a wider range of traits that may help some individuals survive threats like pests, diseases, or environmental stressors (e.g., drought, extreme temperatures). This diversity increases the overall adaptability of the forest and can reduce the impact of threats on the entire ecosystem.

The other options are not directly related to the role of genetic diversity:

A.Simplifying the management of forest resources: Genetic diversity can actually complicate forest managemen...