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Bookmark or Share- Coral - National Geographic SocietyColorful Coral Reef. Though coral reefs are called such because of their sprawling colonies of coral, the shelter created by these coral colonies make reefs a virbant biodiveristy hotspot where coral, fish, algae, and hundreds of other species live together in a bustling ecos. Photograph by Christ Newbert / Minden Pictures
- NOAA CoRIS - What are Coral ReefsWhat are Coral Reefs. Appearing as solitary forms in the fossil record more than 400 million years ago, corals are extremely ancient animals that evolved into modern reef-building forms over the last 25 million years. Coral reefs are unique (e.g., the largest structures on earth of biological origin) and complex systems.
- Coral reefs: Essential and threatened | National Oceanic and ...Many of the world’s reefs have already been destroyed or severely damaged by an increasing array of threats, including pollution, unsustainable fishing practices, and global climate change. As a result, 22 species of coral are now listed as threatened under the Enda.
- Coral Reefs 101 | National Geographic - YouTubeWhat are coral reefs? Coral can be found in tropical ocean waters around the world. But how much do you know about reefs and the tiny animals—polyps—that bui...
- Coral Reefs - National Geographic SocietyCoral reefs are important ocean habitats and offer a compelling case of the risks of climate change. Reefs provide a large fraction of Earth’s biodiversity —they have been called “the rain forests of the seas.”. Scientists estimate that 25 percent of all marine species live in and around coral reefs, making them one of the most diverse ...
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