Why are the reefs disappearing? Use this site to explore the science behind the issue. Useful at several grade levels.

What is a coral reef? Why are Coral Reefs important? What is affecting the health of coral reefs? These questions are answered and more information is provided on this easily readable, comprehensive site.

This Coral Tutorial is an excellent resource with diagrams, pictures, animations and short videos. All aspects of coral biology are discussed. As an added benefit, pdf versions of the site are available along with a subject review...

Think and Link to investigate three different ecosystem either the deep sea, coral reef or continental shelf. By connecting the dots students make a food chain to see how organisms in each habitat depend on each other.

This illustrated article describes several different types of reef mollusks ranging form snails and clams to the chambered nautilus.

Explore photos, watch video clips, and learn about the aquatic biome located above the continental shelf. [8:37]

The University of California Museum of Paleontology hosts this site devoted to the study of the earth's biomes, which are the world's major communities, classified according to the predominant vegetation and adaptations of organisms to...

A series of nine maps with accompanying explanations. They show how population growth has affected the environment around the world in terms of water availability, climate change, land and forest use, and more. There are both interactive...

Rock Islands Southern Lagoon covers 100,200 ha and includes 445 uninhabited limestone islands of volcanic origin. Many of them display unique mushroom-like shapes in turquoise lagoons surrounded by coral reefs. The aesthetic beauty of...