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Exploring Coral Reefs - Quiz
Contributed by: Foster
  • 1. What is the largest coral reef system in the world?
A) Red Sea Coral Reef
B) Coral Triangle
C) Belize Barrier Reef
D) Great Barrier Reef
  • 2. Why are coral reefs important to the ocean ecosystem?
A) Increase acidity levels in the ocean
B) Provide habitat and food for many marine species
C) Regulate the temperature of the ocean
D) Reduce pollution in the water
  • 3. What is the process of coral spawning?
A) Trimming coral branches
B) Harvesting coral for jewelry
C) Release of eggs and sperm into the water for reproduction
D) Extermination of coral for construction
  • 4. What is the hard outer skeleton of coral made of?
A) Plastic
B) Iron
C) Calcium carbonate
D) Silica
  • 5. Which color of light penetrates the deepest into the ocean, allowing coral to photosynthesize?
A) Green
B) Red
C) Yellow
D) Blue
  • 6. What is the process of a coral reef forming on a volcanic island called?
A) Subduction
B) Deposition
C) Succession
D) Erosion
  • 7. How do coral reefs obtain most of their energy?
A) By hunting small fish
B) Generating energy from the sun
C) Absorbing minerals from the water
D) Through photosynthesis by zooxanthellae algae
  • 8. What is the significance of the 'coral triangle'?
A) A triangle-shaped coral reef
B) Region with the highest diversity of coral species
C) Coral reefs shaped like triangles
D) Protected area for coral reef research
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