In this lesson, students will use segments from Nature: Wild Balkans to explore the roles and interrelationships of organisms in the varied environments of the Balkan Peninsula.

These video segments from Nature: Wild Balkans are designed for classroom use for students to explore the roles and interrelationships of organisms in the varied environments of the Balkan Peninsula.

This video-enhanced lesson uses clips from the NATURE film "Crash: A Tale of Two Species" to explore the interrelationship between the horseshoe crab and a small migratory bird called the red knot. (Grades 5-8)

These video clips from the NATURE episode, "Crash: A Tale of Two Species" explore the interrelationship between the red knot and the horseshoe crab.