Save time with this complete, 3-day science bundle on ecosystem population change and invasive species! Perfect for middle school science classrooms, this engaging, NGSS-aligned bundle combines an interactive video, a digital webquest, and extension activities to give your students a thorough understanding of how physical, biological, and invasive factors impact ecosystems. Both resources are 100% self-guided, making them ideal for core instruction, independent work, or emergency sub plans. What