The crocodile has few natural predators, an armor of bony plates covering most of its body and strong jaws capable of crushing anything from bones to cast iron.

The American bald eagle is a highly specialized predator. But what is the evolutionary background that allows the bald eagle to pull off its amazing maneuvers?

Using segments from NATURE: "Moment of Impact, Part 2: Jungle," students will learn about skills and features that help species survive in the jungle.

These video excerpts from the NATURE episode, “Moment of Impact: Part 2, Jungle" accompany the lesson plan, It’s a Jungle Out There: How Species Survive in the Jungle.

In this video-enhanced lesson, students will explore the concepts of adaptation and evolution as seen in different species of birds. (Grades 9-12)

The segments from the NATURE episode "Extraordinary Birds" show examples of the adaptations of different birds to their varying environments.

The quest for survival has even led plants to develop devious ways of fooling us into working for them as they send their seeds out to conquer new lands.

In their quest to spread their seeds, plants have proved endlessly adaptable.