Throughout this unit, students will record their notes and research in an interactive file folder. Then, they will create a biome of an ecosystem. This ecosystems unit contains 4 lessons, each lasting 90-120 minutes. Lessons can easily be changed to fit your own time frame. The unit focuses on key vocabulary terms, ecosystems, food webs, food chains, a biome project, and detailed lesson plans for the entire unit. Photos of a completed folder are included.