Help your students understand ecosystems and food chains with this ready-to-teach science lesson designed for Grades 2–4! This engaging slide presentation introduces ecosystems, producers, consumers, decomposers, and energy flow in a clear, visual, and age-appropriate way. Perfect for whole-group instruction, science units, or no-prep teaching days. 📚 What Students Will Learn Students will be able to: • Define an ecosystem • Identify producers, consumers, and decomposers • Explain how energy fl