Study population succession in an ecosystem filled with mud, shredded paper, salts and water. Use this kit to introduce students to the Winogradsky column, a small vertical pond designed to simulate various things like a camera pen for recording environmental conditions. -- Includes: graduated cylinders, light bulbs, sockets, aluminum foil, pipets, slides, cover glasses, stirring rods, calcium carbonate, calcium sulfate, rubber stoppers and a teacher’s guide with background information.

$139.00

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