What Are Coral Reefs, and What Are They For? Find Out the Surprising Answer!

Coral reefs are the most bio-diverse areas of the ocean – the “rainforests of the sea.” They are made up of the built-up exoskeletons of submarine creatures known as polyps. Over millions of years, generations of polyps produce enough coral to create the enormous reefs we see today.

Learn more about coral reefs and the creatures that create them in the video.

As Trace said, coral reefs are in danger – however, fish like the parrot fish and others who thrive in reefs may be the key to regaining the coral that we’ve lost.

The Surprising Way That Sheep Are Helping Us Build A Better Planet: Click “Next” below!

Matthew M. Sullivan holds a bachelor's degree in creative writing from Grand Valley State University, with emphases in fiction and nonfiction. He lives smack-dab between some railroad tracks and Grand Rapids Michigan's third-busiest road, and spends his time studying film and literary fiction.