☀️ AP Environmental Science UNIT 1 – Topic 1.7 Energy Flow & The 10% Rule | Notes + SlidesIlluminate the fundamental principles that govern all ecosystems for your students with this comprehensive resource for AP Environmental Science Topic 1.7: The Flow of Energy in an Ecosystem and the 10% Rule. This complete set includes a detailed slide presentation and a condensed study sheet, designed to demystify the one-way flow of energy from the sun, its rapid dissipation through trophic levels, and t