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Atolls
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What is a ring shape coral islands surrounding a lagoon?
A coral atoll.
What is a ring-shape coral island or string of islands surrounding a lagoon?
An atoll is a ring-shaped coral island or string of islands that surround a lagoon. Atolls typically form from volcanic islands that sink into the ocean, leaving a coral reef formation around the edge of the submerged island. The lagoon in the center of an atoll is often shallow and can support diverse marine life.
How many schools are in the marshall islands?
The Marshall Islands are made up of 34 islands. Specifically, they consist of 29 coral atolls (which encircle a lagoon) and 5 coral islands (without a lagoon).
A body of water encircled by a coral reef?
A body of water that is encircled by a coral reef is called a lagoon. A lagoon is usually shallow and is separated from the ocean by coral reefs, barrier islands, or sandbars.
What is a grouping of coral islands called?
A grouping of coral islands is called an atoll. Atolls are formed from coral reefs that have grown on the remnants of volcanic islands that have sunk in the ocean. They usually form a ring shape with a lagoon in the center.
Islands formed by limestone animal skeletons?
Islands formed by limestone animal skeletons are called atolls. These structures are typically circular or oval shaped with a lagoon in the middle, and they are found in tropical regions with coral reefs. Atolls begin as volcanic islands and gradually sink as coral grows on the surrounding reefs, leaving a ring of limestone behind.
Example of atoll?
a group of small coral islands in the shape of a ring that encloses a lagoon
Give you an example of an atoll?
An atoll is formed first as a reef that fringes a volcanic island. As the island sinks (after the volcanic activity has ceased and the crust has cooled, becoming denser), the reef continues to build upward, eventually ending up as a ring-shaped structure.
Which statements defines the term atoll?
An island made up of coral surrounding a lagoon APEX
What are atolls?
Atolls are ring-shaped coral reefs, often found in the open ocean and surrounding a lagoon. They form from the growth of coral reefs around a submerged volcanic island that erodes over time, leaving a ring of coral islands. Atolls are typically found in tropical areas with warm, shallow waters.
Are atolls high islands or low islands?
Atolls are low-lying coral islands that are formed from coral reefs growing around the rim of an ancient volcanic island that has sunk below sea level. They are characterized by a central lagoon surrounded by a ring of coral reef and sandbars.
What is the center of an atoll?
The center of an atoll is typically a lagoon, which is a body of shallow water surrounded by a ring of coral reefs or islands. This lagoon is usually calm and can support diverse marine life due to its protected nature.
