Coral reefs are diverse underwater ecosystems held together by calcium
carbonate structures secreted by corals. Coral reefs are built by colonies of tiny
Coral reefs are the most diverse of all marine ecosystems. They teem with life,
with perhaps one quarter of all ocean species depending on reefs...
Coral reefs are some of the most diverse ecosystems in the world, housing tens
of thousands of marine species. About one-third of all marine fish species live ...
Dec 16, 2014 ... What are Coral Reefs. Appearing as solitary forms in the fossil record more than
400 million years ago, corals are extremely ancient animals ...
Oct 8, 2013 ... Coral reefs are large underwater structures composed of the skeletons of coral,
which are marine invertebrate animals.
Conservation of ocean environments, seas, coasts, the coral reefs and their
magnicient diversity of marine animals and plants.
Coral reefs are the most diverse and beautiful of all marine habitats. Large wave
resistant structures have accumulated from the slow growth of corals.
Coral reefs are a precious resource in the ocean because of their beauty and
biodiversity. Coral reefs provide shelter for a wide variety of marine life, they ...
LOCATION: Coral reefs are generally found in clear, tropical oceans. Coral reefs
form in waters from the surface to about 150 feet (45 meters) deep because ...
Coral reefs are the foundation of many marine ecosystems—and they are in