Seven wonders of the underwater world

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<ol><li> 1. by CEDAM nternational </li><li> 2. The Rock Islands(PALAU) TheBelize Barrier Reef The Great Barrier Reef Deep-Sea Vents Galpagos Islands Lake Baikal Northern Red Sea </li><li> 3. PALAU Reefs Over two million years ago 343 Islands The islands are famous for their beaches, blue lagoons and the peculiar umbrella-like shapes of many of the islands themselves. </li><li> 4. 300 species of sponges 1500 species of fish 550 species of hard and soft corals WHY Endangered Species(both animals and plants) Coral bleaching </li><li> 5. The Belize Barrier Reef series of coral reefs 300-kilometer long section of the 900-kilometer Mesoamerican Barrier Reef System One of the largest coral reef systems in the world after the Great Barrier Reef </li><li> 6. Home to a large diversity of plants. 70 hard coral species 36 soft coral species 500 species of fish Brain Coral in the Great Blue Hole </li><li> 7. The most magnificent feature The Great Blue Hole formed throughout the last 150,000 years Approximately 1000 feet across and 400 feet deep </li><li> 8. The Great Barrier Reef The world's largest coral reef system composed of over 2,900 individual reefs and 900 islands Coral Sea, off the coast of Queensland, Australia. Can be seen from outer space and the world's biggest single structure made by living organisms </li><li> 9. More than 1,500 fish species 30Whales,Dolphins 9 Seahorses,15 Seagrass,6 Sea Turtles It also include many vulnerable or endangered species Protected by the Great Barrier Reef Marine Park. Limit the impact of humen use,such as fishing and tourism. </li><li> 10. Hydrothermal Vent A fissure(crack) in a planet's surface Like underwater volcanoes Commonly found near volcanically active places White smokers emitting liquid carbon dioxide </li><li> 11. Mussels,crabs,tube worms. Tube worms have no eyes,stomach and no mouth Down about 7000 to 10000 meter underwater Can withstand a lot of heat and pressure. Vent crabs can withstand 250 times more pressure than humans do. </li><li> 12. Galpagos Islands An archipelago of volcanic islands distributed on either side of the Equator in the Pacific Ocean </li></ol>