Analyzing food webs is significant for understanding ecosystem health because it reveals the complex interactions between species and their roles in energy flow and nutrient cycling. By studying food webs, ecologists can identify keystone species, which have disproportionate effects on their ecosystems, and assess the impact of species loss or introduction. This analysis aids in detecting changes that may indicate ecosystem stress, enabling proactive management actions. Furthermore, understanding food webs enhances our knowledge of biodiversity conservation and ecosystem resilience, making it critical for sustaining natural habitats.