Ecology and its relevance to man :UPSC Notes , Relevant to ACF Exam HPPSC
Ecology and Its Importance to Man - UPSC Study Notes Study Notes on Ecology and Its Importance to Man (For UPSC Exam) What is Ecology? Ecology is the branch of biology that studies the interactions between organisms and their physical and chemical environment. It focuses on how living beings ( biotic factors ) interact with each other and with non-living ( abiotic ) components like soil, water, and climate. The term "ecology" comes from Greek words oikos (home) and logos (study), meaning the study of organisms in their "home" or environment. Key Concepts in Ecology Ecosystem: A dynamic complex of plant, animal, and microorganism communities interacting with their environment as a functional unit. Food Chain & Food Web: Represent the transfer of energy through organisms in an ecosystem. Biogeochemical Cycles: Includes carbon, nitrogen, and water cycles that move essential elements throug...