This is a perfect 45-minute independent work packet, introductory scaffold, review, distance learning, homework or sub plan for LS2.B: Cycles of Matter and Energy Transfer in Ecosystems: Food webs are models that demonstrate how matter and energy is transferred between producers, consumers, and decomposers as the three groups interact within an ecosystem. What Students Do:Students use the Reading Passages to help them fill in and answer the Worksheets.Students then do a 15 question Google Form