Use these Biology and Ecosystems videos entitled Energy Flow and Material Cycles of Ecosystems to study how the flow of energy and materials in an ecosystem impacts the structure and function of that ecosystem. Study the trophic structure of an ecosystem: the food chain, food web, and trophic level. Discover examples of ecosystems, and explain the roles of producers, primary consumers, secondary consumers, and decomposers in the feeding structure of an ecosystem.
Learn about food chains, food webs, and trophic levels and discover how energy flows through an ecosystem. Use these 3 online educational video titles to understand the basic principles of an ecosystem's trophic structures and function, including food chains and webs, trophic levels, and the fictional relationship's between them. Study the flow of energy through an ecosystem. Examine the material cycles and the principles influencing the movement of materials through an ecosystem.