Exploring Coral Reefs

1. What is the largest coral reef system in the world?

A) Belize Barrier Reef
B) Coral Triangle
C) Great Barrier Reef
D) Red Sea Coral Reef

2. Why are coral reefs important to the ocean ecosystem?

A) Increase acidity levels in the ocean
B) Reduce pollution in the water
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) Through photosynthesis by zooxanthellae algae
B) Absorbing minerals from the water
C) Generating energy from the sun
D) By hunting small fish

5. Which color of light penetrates the deepest into the ocean, allowing coral to photosynthesize?

A) Blue
B) Yellow
C) Green
D) Red

6. 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

7. What is the hard outer skeleton of coral made of?

A) Iron
B) Silica
C) Calcium carbonate
D) Plastic

8. What is the process of a coral reef forming on a volcanic island called?

A) Succession
B) Erosion
C) Deposition
D) Subduction

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