An atoll is formed from an island, but it isn't entirely an island. It's a coral reef that makes the different. The reef grows in a ring around the island and the island erodes, until little if any of it is above the surface of the water and the coral reef remains.
Islands are any small body of land surrounded by water. Islands in the middle of the ocean are usually volcanic and islands in lakes and near continents are usually just areas of the continental shelf surrounding the continent with a higher elevation.
To actually answer your question, the KEY difference is the reef.
the islands of Bikini Bikini is one of the Marshall islands; the group between the Gilberts and Marianas.
The largest coral atoll in the world is the Kwajalein Atoll.The largest atoll in land area is Christmas Island.
No, Clipperton Island is a French territory.
Atoll. Atolls are oceanic reef formation, often having a characteristic ring-like shape surrounding a lagoon. Atolls are formed when coral reef grows around a volcanic island that later subsides into the ocean.
A coral atoll is a ring-shaped coral reef or island found in warm, tropical oceans. They are formed from the accumulation of coral skeletons on the rims of submerged volcanic islands over thousands of years. Atolls typically enclose a lagoon in their center.
bikini atoll
ATOLL
atoll
An atoll is an island of coral that partially or completely surrounds a lagoon.
A coral atoll.
It is called Green Island.
An atoll is a coral island that encircles a lagoon partially or completely. Yaren, is a district and constituency of the Pacific nation of Nauru. It is the capital of Nauru. Yaren does not have an atoll, but instead is a part of an island in Micronesia.
Bikini atoll, USEniwetok atoll, USChristmas Island, UK
Midway Atoll consist of three Islands, Sand, Eastern and Spit Islands.
This is called a coral atoll.
atoll.
atoll