Students will:2. Trace and interpret the flow of energy and materials within an ecosystemanalyze an ecosystem to identify biotic and abiotic components, and describe interactions among these componentsanalyze ecosystems to identify producers, consumers and decomposers; and describe how energy is supplied to and flows through a food web, by:− describing and giving examples of energy and nutrient storage in plants and animals− describing how matter is recycled in an ecosystem through interactions