This quiz tests your knowledge of coral reefs
Coral plankton
Coral algae
Coral polyps
Calcium carbonate
Calcium silicate
Calcium carbonate
Quartz
Sodium chloride
Outside of tropical areas
Far away from shore
Near the mouth of rivers
Near the shore
Outside of tropical areas
Far away from shore
Near the mouth of rivers
Near the shore
Barbados
Puerto Rico
Belize
Guyana
Australia
Belize
Guyana
Africa
True
False
True
False
True
False