The primary relationship between species richness and ecosystem resilience is that greater biodiversity generally enhances the stability and functionality of ecosystems. Diverse species contribute to a wider range of ecological functions, increasing the ability of ecosystems to withstand disturbances and recover from changes. This resilience is crucial for maintaining ecosystem services, such as nutrient cycling and habitat provision. Thus, promoting biodiversity is essential for strengthening the adaptive capacities of ecosystems, which is especially important amidst ongoing environmental challenges like climate change and habitat loss.