Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera.

Many genera, such as Echiurus, Urechis, and Ikeda, live in burrows in sand and mud ; others live in rock and coral crevices.

Many governments now prohibit removal of coral from reefs, and inform coastal residents about reef protection and ecology.

Many reefs result from abiotic processes — deposition of sand, wave erosion planning down rock outcrops, and other natural processes — but the best-known reefs are the coral reefs of tropical waters developed through biotic processes dominated by corals and calcareous algae.

Many other species, however, live in shallow water, especially near coral reefs, while a few inhabit freshwater.

Many are renowned for their preserved Red Sea marine life and offshore coral reefs.

Many of the faster growing coral species were destroyed to a depth of 6m.

Many underwater coral reefs are found off-shore, as well as shipwrecks.

Many groups have been under sampled and insufficiently studied, especially when considering hard bottoms of the intermediate coral reefs and external slopes of the barrier reef.

Many tropical fish are coral reef fish.

Many marine tropical fish, particularly those of interest to fishkeepers, are the fish which live amongst or in close relation to coral reefs.

Many of the fish are captured on coral reefs in Southeast Asia or the Pacific Island nations.

Many types of coral colonies can increase in number by fragmentation that occurs naturally or artificially.

Many were dumped to create artificial reefs.

Many crews were stranded on Kure Atoll after being shipwrecked on the surrounding reefs and had to survive on the local seals, turtles, and birds.

Many ships have been wrecked on the jagged reefs which fringe the base of the cliffs.

Many ships plying along the route between Malé and the Southern Atolls, have been lost in these treacherous reefs.

Many reefs have no islands at all.

Many reefs are built using objects that were built for other purposes, for example by sinking oil rigs ( through the Rigs-to-Reefs program ), scuttling ships, or by deploying rubble or construction debris.

Many of these guides troll secret lures attached by stainless-steel or nickel-alloy wire along the rocky reefs near the island where large female stripers reside from the spring through the autumn.

Many of the Aegean Islands, or chains of islands, are actually extensions of the mountains on the mainland.

Many of the islands in the Aegean have safe harbours and bays.

Many of the islands are volcanic, and marble and iron are mined on other islands.

Many kilns remain on the islands today, and pottery is still an export.

Many services depart from Praia at about midnight, arriving in outlying islands at breakfast time.

Many of the islands are very small and uninhabited.

" Many other islands lie in the northerly British Ocean.

Many of the Faroese islands tend to be elongated in shape.

Many birds in other families are also commonly called " finches ", including some species in the very similar-looking waxbills or estrildid finches ( family Passeridae, subfamily Estrildinae ) of the Old World tropics and Australia ; several groups of the bunting and American sparrow family ( Emberizidae ); and Darwin's finches of the Galapagos islands, which provided evidence of natural selection and are now recognized to be peculiar tanagers ( Thraupidae ).

Many islands in the West Indies, most notably Jamaica, also use hominy to make a sort of porridge with corn starch or flour to harden the mixture and condensed milk, vanilla and nutmeg to taste.

Many birds have become extinct as a result of human activity, especially birds endemic to islands, including many flightless birds ( see a more complete list under extinct birds ).

Many tropical storms batter the islands of the Pacific.

Many flights connect from here to other Caribbean islands, including Puerto Rico.

Many parts of Singapore are accessible by road, including islands such as Sentosa and Jurong Island.

Many residents can trace their ancestry to other Caribbean islands, especially Puerto Rico and the Lesser Antilles.

Many airstrips ( now mostly abandoned ) were built on the hundreds of islands in the Pacific Ocean during World War II.

Many people from various other Caribbean islands visit Trinbago ( combination of Trinidad and Tobago ) at this time to participate in the festivities as either reveler or spectator.

Many of the residents of the islands are related.

Many notable islands lie off Cork including Bere Island, Great Island, Sherkin Island and Cape Clear.

Many of the out-islanders were resettled ( mainly on Sokehs Island ) in consequence of destructive typhoons in their home islands.

Many of the Dutch settlements were lost or abandoned by the end of that century, but the Netherlands managed to retain possession of Suriname until it gained independence in 1975, as well as the former Netherlands Antilles, of which the islands remain within the Kingdom of the Netherlands today.

Many islands

Many of the islands have been popular seaside resorts since the 19th century.