tll pov wk 3 george and ruthSnails. Daphnia. Diving beetles. Back swimmers. These live organisms had moved in to mediate a dead zone at Rollins Savannah in Gurnee. On Friday they were making a guest appearance at TLL’s Underwater Robotics class. Students had the chance to examine at length these organisms under a microscope. “Oh my gosh, this is so interesting–you can see it’s digestive tract moving!” said one student, her eyes glued to the microscope. Most areas of eutrophication occur along the sea coasts, so it was a rare opportunity for students to see for themselves the way organisms adapt to upheavals in their environment.



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