| 21. | This species feeds largely on coral polyps.
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| 22. | A : Coral spawns by the simultaneous release of eggs and sperm by billions of coral polyps.
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| 23. | Here it undergoes metamorphosis to become a coral polyp which buds repeatedly to start a new colony.
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| 24. | They feed on coral polyps and invertebrates.
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| 25. | This species feeds exclusively on coral polyps.
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| 26. | This reef structure is composed of and built by billions of tiny organisms, known as coral polyps.
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| 27. | They feed exclusively on coral polyps.
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| 28. | They form pairs, especially for breeding, and specialist, and is cromprised of coral polyps, polychaete worms, and small shrimps.
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| 29. | A green-and-white, cartoonishly large artificial coral polyp gives way to the largest display of live coral in the Midwest.
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| 30. | Coral animals like star coral, brain coral, coral polyps, and pillar coral can be seen extending their tentacles at night.
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