Source: wikibot/reef
= Reef
{wiki=Reef}
"Reef" can refer to various things depending on the context. Here are a few common interpretations: 1. **Marine Ecology**: In marine biology, a reef is a natural underwater structure formed by the accumulation of coral, rock, or other materials. Coral reefs, in particular, are vibrant ecosystems that support a diverse range of species and are often found in tropical and subtropical oceans.