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