Coral Reef in 4K .
Short Description : 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.
Important Facts :
1. Known as “Rain-forests of the sea,” coral reefs cover less than 1% of the ocean but are home to almost 25% of all known marine species!
2. Corals are in fact animals, not plants. 3. Coral reefs are the largest structures on earth of biological origin.
4. Coral reefs are naturally colorful because of algae, which lives inside of the coral, providing them with food.
5. The three main types of coral reefs are fringing reefs, barrier reefs, and coral atolls
6. 25% of coral reefs are irrevocably damaged.
7. Corals have barely changed over the last hundred million years. They are the same as they were during dinosaur times.
8. Coral reefs can grow so large that they can be seen from outer space.
9. Coral reefs can help to support local communities through tourism. Millions of people flock to see the reefs and this can support local people who provide food, accommodation and equipment.
10. Coral reefs are among the oldest ecosystems in the world. They have been around for at least 230 million years.
Please Like & Subscribe my Channel !! Support it :)