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 ...
Dec 16, 2014 ... Coral reefs are unique (e.g., the largest structures on earth of biological ... Corals
are anthozoans, the largest class of organisms within the ...
Oct 8, 2013 ... Coral reefs are large underwater structures composed of the skeletons of coral,
which are marine invertebrate animals.
Coral reefs are the most diverse and beautiful of all marine habitats. Large wave
resistant structures have accumulated from the slow growth of corals.
The coral reef ecosystem is a diverse collection of species that interact with each
other and the physical environment. The sun is the initial source of energy for ...
Coral reefs teem with life, covering less than one percent of the ocean floor, but
supporting about 25 percent of all marine creatures. However, threats to their ...
Facts and information about coral reefs; including reef structure, marine life, and
It is made out of the same substance that shellfish use to make their shells––
calcium carbonate. coral heads and coral reefs. Corals can grow into structures