Coral reefs are diverse underwater ecosystems held together by calcium
carbonate structures secreted by corals. Coral reefs are built by colonies of tiny
animals found in marine waters that ...
To escape predators, animals can hide within cracks and crevices in the reef
created by corals. Nearly every living thing on a reef is food for another organism,
The main kinds of animals that live in coral reefs: vertebrates and invertebrates.
Coral reefs are also living museums and reflect thousands of years of history.
Many U.S. coral reefs were alive and thriving centuries before the European ...
Coral reefs are the most diverse of all marine ecosystems. ... from the sun's
energy to their hosts, and in exchange the coral animal gives nutrients to the
algae. .... Corals are found across the world's ocean, in both shallow and deep
water, but ...
Coral reefs are a unique part of ocean regions that provide a habitat for fish and
other underwater animals. Coral reefs are found mostly in the tropics. Reefs ...
Only on the coral reef can one find living examples from nearly every group of ...
The sea worms are a large and varied group of animals belonging to a group ...
Coral reefs only make up about 1% of the ocean floor, but they house ... Other
animals that live on the coral reef include sea urchins, ...
... the most colorful and diverse groups of animals in the sea is the coral reef
fishes. ... This angelfish is found in the waters of the Atlantic and Caribbean,
where it ...
In addition to their incredible value as wildlife habitat, coral reefs protect ... Coral
reefs are found all around the world in tropical and subtropical oceans. They are