Coral animals build skeletons that grow together to form
when coral animals die their _________ remain and new corals build on top of them
three types of coral reefs _______________
fringing reefs, barrier reefs, and atoll reefs
_________ lie close to shore separated from land by shallow water
__________ lie farther out at least 10 kilometers from the land
_______ is a ring-shaped coral island found far form land
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