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...

This effective site provides interesting information on the third largest coral reef system in the world. Physical requirements needed for coral reefs to survive are included in this site. Growth and Reproduction, coral reef types, and...

A lab experiment in a series of experiments that investigates coral. In this activity, students will use a microscope to examine the feeding behavior of a hydra, a fresh-water relative of coral. They will also observe the characteristic...

[Free Registration/Login Required] An informational text about coral reefs and some of the sea creatures that call them home. A question sheet is available to help students build skills in reading comprehension.

Did you know that coral is actually an animal? This site uncovers information on these sea creatures as well as provides links to other coral reef sites.

[Free Registration/Login Required] An informational text about sensors placed in Australia's Great Barrier Reef to record changes in the ocean. A question sheet is available to help students build skills in reading comprehension.

[Free Registration/Login may be required to access all resource tools.] Discusses characteristics of cnidarians like jellyfish and corals.