Coral Reef
Diverse marine ecosystems built by colonial corals providing habitat for numerous fish and invertebrate species.
Real World
Australia's Great Barrier Reef stretches over 2,300 km and supports more than 1,500 fish species, yet generates over A$6.4 billion annually from tourism and fishing for coastal communities in Queensland.
Exam Focus
When asked to 'assess' reef importance, balance ecological value (biodiversity) against economic value (tourism, fisheries, coastal protection) for full marks.
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