Students will explore the diverse freshwater habitat and learn about biotic and abiotic factors that make up the ecosystem, participate in a hands-on experiment to test the amount of dissolved oxygen in two different bodies of water and visit with a freshwater naturalist who examines wetlands around the world.

Originally produced in 2001. This series is based on the concepts outlined in the National Science Education Standards for Life Science: structure & function in living systems, reproduction & heredity, regulation & behavior, populations & ecosystems, and diversity & adaptations of organisms. Features: discussion questions; investigation data sheet; chapter select.