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Coral reef - Wikipedia
Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. Coral reefs are built by colonies of tiny animals ... More »

www.defenders.org/coral-reef/basic-facts

... Basic Facts About Coral Reefs. Fact Sheet ... of thousands of marine species. About one-third of all marine fish species live part of their lives on coral reefs.

www.coral-reef-info.com

Facts and information about coral reefs; including reef structure, marine life, and distribution.

kids.nceas.ucsb.edu/biomes/coralreef.html

LOCATION: Coral reefs are generally found in clear, tropical oceans. .... Surf the Internet for information about coral reefs and marine conservation organizations.

ocean.si.edu/corals-and-coral-reefs

Corals, sponges and seaweeds cover most of the surface of many coral reefs. Credit: Wolcott Henry. Coral reefs are the most diverse of all marine ecosystems.

www.coris.noaa.gov/glossary

The CoRIS glossary contains terms concerned with ecology, biogeography, evolution, taxonomy, morphology, physiology, cell and molecular biology, genetics, ...

www.conserve-energy-future.com/top-25-coral-reef-facts.php

Fact 2: A coral reef isn't a “thing,” it's actually a community of life that lives and thrives in one location. What we think of as the base of the reef (and what we see  ...

www.nationalgeographic.com/animals/invertebrates/group/corals

Meet the tiny organisms that combine to create the world's great tropical reefs. Find out about the threats that imperil corals worldwide.

wwf.panda.org/about_our_earth/blue_planet/coasts/coral_reefs

Coral reefs are home to 25% of all marine life on the planet. In fact the variety of life supported by coral reefs rivals that of the tropical forests of the Amazon or ...

www.mnn.com/earth-matters/animals/blogs/5-fascinating-facts-about-coral-reefs

Aug 6, 2014 ... Once you dive into the facts, coral reefs are one of the most amazing ... The diversity is due to the fact that reefs are an important location for ...