Community ecology is significant in understanding biodiversity as it examines interactions between species and their environments within specific habitats. By studying species composition, abundance, and interactions such as predation and competition, it reveals how these factors shape community structure. Insights from community ecology inform conservation practices by identifying keystone species and ecosystem services. Understanding these dynamics also aids in predicting responses to disturbances like climate change, guiding efforts to maintain healthy ecosystems and enhance the effectiveness of biodiversity conservation strategies.