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Welcome to eGyanKosh’s dedicated resource for Block-3: Ecology and Subsistence Patterns, designed specifically for IGNOU students in 2025. This comprehensive study material provides an in-depth examination of the intricate relationships between ecological systems and the various subsistence patterns that shape human existence. Whether you are seeking to enhance your understanding of ecological principles or aiming to explore the dynamics of subsistence practices across different cultures, our free downloadable resources are tailored to support your academic journey. Delve into the rich content curated to facilitate your learning and succeed in your studies with IGNOU.