Linked from
The 165 pages that link to Coral reef, each with the reason it gives.
Benthic zoneBroader topic: Reef surfaces create complex, highly diverse benthic habitat.
CnidariaBroader topic: Colonial cnidarians create habitat for a large diversity of marine life.
CoralBroader topic: Coral colonies create the framework that supports reef ecosystems.
Sediment pollutionBroader topic: Sediment can shade corals and cover the surfaces where they grow.
ZooxanthellaeBroader topic: Zooxanthellae help sustain the coral growth that builds many reefs.
Photic zoneBroader topic: Reef-building corals depend on symbiotic algae that need light.
Neritic zoneBroader topic: Many reefs occupy warm, sunlit parts of the neritic zone.