Biology

The correct answer is C.A large variety of habitats and niches.

A large variety of habitats and niches provides more opportunities for different species to thrive, leading to higher species richness. When an ecosystem has diverse environments and niches, different species can occupy unique roles, which promotes biodiversity.

Here’s why the other options are less likely to increase species richness:

A.High disturbance levels: Frequent disturbances (like fires or storms) can reduce spe...