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Why are corals reefs so important?
Coral reefs protect coastlines from storms and erosion, provide jobs for local communities, and offer opportunities for recreation. They are also are a source of food and new medicines. Over half a billion people depend on reefs for food, income, and protection.
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Why are coral reefs important PDF?
Coral reefs are the primary source of food and income for millions of people, produce valuable chemical compounds for medicines, and provide natural wave barriers that protect beaches and coastlines from storms and floods.
Why are corals important class 11?
They are the important reef builders and inhabit the oceans. They build reefs which secrete calcium carbonate to form a hard skeleton.
What are 3 important things about coral reefs?
Reef corals build homes for millions of species of marine life, they support healthy ocean food webs, and they protect our coastlines.
What are coral reefs made of and why are they so important?
A coral reef is made of thin layers of calcium carbonate Stony corals (or scleractinians) are the corals primarily responsible for laying the foundations of, and building up, reef structures. Massive reef structures are formed when each individual stony coral organism—or polyp—secretes a skeleton of calcium carbonate.
What is coral reef Upsc?
Coral reefs are the colonies of tiny living creatures that are found in oceans. They are the underwater structures that are formed of coral polyps that are held together by calcium carbonate.
What is the importance of coral reefs Wikipedia?
They occupy less than 0.1% of the world’s ocean area, about half the area of France, yet they provide a home for at least 25% of all marine species, including fish, mollusks, worms, crustaceans, echinoderms, sponges, tunicates and other cnidarians. Coral reefs flourish in ocean waters that provide few nutrients.
What is the importance of coral reefs in 200 words?
Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs teem with diverse life. Thousands of species can be found living on one reef.
What are 10 facts about coral reefs?
Coral reefs protect wildlife. Coral needs sunlight to grow. Large reefs are thousands of years old. Coral reefs make the sea bed more stable. They also clean the water. Reefs are important nesting grounds. Coral reefs can treat cancer. Reefs can help to manage global warming.
What is coral very short answer?
Coral is a class of colonial animal that is related to hydroids, jellyfish, and sea anemones. It is made up of thousands of tiny animals called polyps. Corals also provide habitat for a large variety of marine life, including various sponges, oysters, clams, crabs, sea stars, sea urchins, and many species of fish.
