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Intermediate Coral Reefs

Coral sand particles are primarily a form of which calcium carbonate mineral?

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Hard Coral Reefs

What drifting larval stage is released by many stony corals after fertilization?

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Hard Coral Reefs

What term means reef-building coral, opposite of ahermatypic coral?

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Intermediate Coral Reefs

Which order contains the stony corals that form much of modern reef framework?

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Easy Coral Reefs

What is a small, low, sandy island formed on the surface of a coral reef called?

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