Formation. Most coral reefs were formed after the Last Glacial Period when melting ice caused sea level to rise and flood continental shelves. Most coral reefs are less than 10,000 years old. As communities established themselves, the reefs grew upwards, pacing rising sea levels.
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Coral reef - Simple English Wikipedia, the free encyclopedia
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A coral reef is a large underwater structure made of dead and living corals. In most healthy reefs, stony corals are predominant.
Darwin's theory that coral reefs formed as the islands and surrounding areas of crust subsided has been supported by modern investigations, and is no longer ...
A reef is a ridge or shoal of rock, coral, or similar relatively stable material lying beneath the surface of a natural body of water. ... Many reefs result from ...
Apr 5, 2024 · The formation of corals begins when free-swimming coral larvae attach to submerged rocks or other hard substrate along the edges of islands or ...
Spur and groove formations are a geomorphic feature of many coral reefs. They are ridges of reef formed by coral "spurs" separated by channels "grooves" ...
They typically form compact colonies of many identical individual polyps. Coral species include the important reef builders that inhabit tropical oceans and ...
The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 ...
Coral reef protection is the process of modifying human activities to avoid damage to healthy coral reefs and to help damaged reefs recover.
According to Charles Darwin's subsidence model, the formation of an atoll is explained by the sinking of a volcanic island around which a coral fringing reef ...