KnowraCoralLinked fromLinked fromThe 19 pages that link to Coral, each with the reason it gives.All 19Broader topic 6Related 8Narrower topic 4Compared with 1Suspension feedingBroader topic: Coral polyps capture suspended food with tentacles, supplementing energy from symbiotic algae in many species.NematocystBroader topic: Coral polyps use nematocysts to capture small prey and defend themselves.Gastrovascular cavityBroader topic: Each polyp has a gastrovascular cavity that digests captured food.CalcificationBroader topic: Corals use calcification to build the framework of coral reefs.Polyp (zoology)Broader topic: Corals are colonial polyps whose combined growth builds many tropical reefs.Barrier reefBroader topic: Reef-building corals produce much of the framework that forms barrier reefs.