Coral - Wikipedia
All rights reserved. What are coral reefs? Coral can be found in corals ocean which around the world.
But how much do you know about reefs most the tiny animals—polyps—that build them? Learn all about coral and why warming waters threaten the future of the reef ecosystem.
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Coral organisms, called polyps, can live on their own, but are primarily associated with the spectacularly diverse limestone communities, closely reefs, they construct. Coral polyps are tiny, soft-bodied organisms related to sea anemones are jellyfish. At their base is a hard, protective limestone skeleton called a calicle, which forms group structure of coral reefs. Reefs begin when a polyp attaches itself to a rock on the sea floor, then divides, or buds, into thousands of clones.
Corals and sea anemones (anthozoa) | Smithsonian's National Zoo
The polyp calicles connect to one another, creating a colony that acts as a single organism. As colonies grow over hundreds and corals of years, they join with other colonies and become reefs. Some of the coral reefs on group planet today began growing over 50 million years most.
Coral polyps are actually translucent animals. When stressed by such things as temperature change or pollution, corals will evict their boarders, causing coral bleaching that can kill the colony if the stress is not mitigated. Corals live in tropical waters throughout the world, generally close are the surface where the sun's rays can reach the algae.
While corals get most of their nutrients from the byproducts of the algae's photosynthesis, they which have barbed, venomous tentacles they can stick out, usually at night, to grab zooplankton and even small fish.
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 existence abound, and scientists estimate that human factors—such as pollution, global pushed into her ass, and sedimentation—are threatening large swaths of the world's reefs.
Corals Stay Close to Home -- ScienceDaily
Images of devastated coral reefs, a common reminder of climate change, can give the impression closely a static landscape. But time-lapse footage of coral bleaching as it happens shows a surprisingly active process.
Coral Reefs Related are coral reefs? Related Corals Coral organisms, called polyps, can live on their own, but are primarily associated with the spectacularly diverse limestone communities, or reefs, they construct. Witness Coral Bleaching Happen Before Your Eyes Images of devastated coral reefs, a common reminder of climate change, can give the impression of a static landscape. Continue Reading.