**This is the chapter slice "Populations" from the full lesson plan "Ecosystems"** Study biotic and abiotic Ecosystems presented in a way that makes it more accessible to students and easier to understand. Discover the difference between Producers, Consumers and Decomposers. Look at evolving populations, change in Ecosystems, Food Chains and Webs. Understand what and why we classify what is Photosynthesis and how the water cycle interacts with man to microorganisms. An ecosystem is a group of things that work and live together in an environment. Our resource provides ready-to-use information and activities for remedial students using simplified language and vocabulary. Ready to use reading passages, student activities and color mini posters, our resource is effective for a whole-class, small group and independent work. All of our content meets the Common Core State Standards and are written to Bloom's Taxonomy and STEM initiatives.