America's Greatest Caverns Worksheet Movie Summary: Rangers explain how cave features were formed and the role that water plays in the creation and health of cave ecosystems. Marvel at the unique creatures that have adapted to life in the dark, from eyeless fish to cave crickets. Learn of... (more details for America's Greatest Caverns*)

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File #1783 Info: Created by Brent Veach on October 31, 2011 using Indiana State standards for students at a grade 6-8 level.

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