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Bookmark or Share- 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 ...
- Coral reef - Wikipediat. e. A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. [1] Most coral reefs are built from stony corals, whose polyps cluster in groups.
- Coral - National Geographic SocietyCoral reefs not only provide marine species with a rich habitat, but they also assist people as well. Millions of people around the world rely on fish caught in and around coral reefs. The reefs also draw in tourists, which helps the local economies. Coral reefs protect people and land from storms as well, serving as a barrier that reduces the ...
- Coral reef ecosystems - National Oceanic and Atmospheric AdministrationCoral reefs are some of the most diverse ecosystems in the world. Coral polyps, the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms.
- Coral Reefs 101 | National Geographic - YouTubeNational Geographic. 22.9M subscribers. Subscribed. 17K. 1.8M views 6 years ago. What are coral reefs? Coral can be found in tropical ocean waters around the world. But how much do you know...
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