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