This middle school science resource includes a 3-page non-fiction reading for an ecosystem unit, written at three reading levels. Topics include: biotic and abiotic factors, energy flow in ecosystems, ecological relationships, and more! Includes graphic organizers and student worksheets for use with Google Docs™, Google Slides™, and pdf formats. Supports NGSS Ecosystems: Interactions, Energy & Dynamics standard MS LS2-3: Develop a model to describe the cycling of matter and flow of energy am