Aquatic Food Chains & Bioaccumulation Lesson Bundle for Grades 6–10 that teaches how energy and pollutants move through aquatic ecosystems through a visual slideshow while students follow along in a single organized Work Bundle. This bundle includes 2 structured lessons where students investigate phytoplankton, zooplankton, aquatic food chains, and biomagnification through guided notes, visuals, and a hands-on simulation that models how pollutants increase through feeding levels. Students comp