Coral Reefs Quiz

Where do corals usually live?

• In cold ocean waters

• In freshwater lakes

• In warm ocean waters

• In rivers

What do coral colonies secrete?

• Sand

• Salt

• Calcium carbonate

• Iron

What type of animals are corals?

• Large marine mammals

• Tiny animals

• Birds

• Reptiles

Where are coral reefs normally found?

• Deep ocean waters

• Shallow water

• Freshwater lakes

• Underground caves

Why do many reef-forming corals need sunlight?

• To keep warm

• To find food

• To perform photosynthesis

• To live and depend on photosynthetic organisms

What do reef-forming corals depend on for their nutrients?

• Large fish

• Photosynthetic tiny organisms

• Seaweed

• Plankton

Which type of corals need light to live?

• Deep-sea corals

• Reef-forming corals

• Cold-water corals

• Non-photosynthetic corals

What is the name of the largest barrier reef in the world?

• The Great Coral Reef

• The Great Barrier Reef

• The Great Ocean Reef

• The Great Sea Reef

During which war were many Pacific atolls sites of important battles?

• World War I

• Korean War

• World War II

• Vietnam War

In which part of the Pacific did important World War II battles occur?

• Eastern Pacific

• Northern Pacific

• Southern Pacific

• Western Pacific