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 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 ...
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 for food and ...
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 the foundation of many marine ecosystems—and they are in
Coral organisms, called polyps, can live on their own, but are primarily
associated with the spectacularly diverse limestone communities, or reefs, they
Conservation of ocean environments, seas, coasts, the coral reefs and their
magnicient diversity of marine animals and plants.
Reefs are built by coral polyps as they secrete layers of calcium carbonate. The
corals that build reefs are known as “hard” or “reef-building” corals.
Coral reefs are built by and made up of thousands of tiny animals—coral “polyps”
—that are related to anemones and jellyfish.
Facts and information about coral reefs; including reef structure, marine life, and