TED Talks
Ted: Ted Ed: The Evolution of Animal Genitalia
Genitals are the fastest-evolving organs in the animal kingdom. Menno Schilthuizen explains how the evolutionary biology of nature's nether regions uncovers a hidden world of seduction, conflict, and rivalry.
TED Talks
Ted: Ted Ed: How Tall Can a Tree Grow?
Valentin Hammoudi investigates why Californian Sequoia trees have limited heights.
CK-12 Foundation
Ck 12: Earth Science: Extinction and Radiation of Life
[Free Registration/Login may be required to access all resource tools.] Describes how species die out and how new ones evolve to fill the vacant niches.
American Museum of Natural History
American Museum of Natural History: Dinosaurs: Display or Defense?
Are plates of armor, horns, exceptionally large heads, and bony plates examples of dinosaur display or defense? Visitors to this resource will learn what scientists have concluded about the purpose of these peculiar dinosaur features.
South Carolina Educational Television
Know It All: Bird Adaptations
Fourth graders will engage in a project-based learning lesson to discover how beak adaptations affect what birds eat.
Center for Literacy and Disability Studies, University of North Carolina at Chapel Hill
Tar Heel Reeder: Animal Adaptations
Read this ebook to view examples of structural and behavioral adaptations that help animals survive.
Norfolk Botanical Garden
Norfolk Botanical Garden: Teacher Resources: Animal: Foot Adaptations [Pdf]
See if you can match an animal with its footprint. This article explains why animals' feet have individual adaptations.