Exploring Coral Reefs

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

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

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

A) Provide habitat and food for many marine species
B) Regulate the temperature of the ocean
C) Increase acidity levels in the ocean
D) Reduce pollution in the water

3. What is the process of coral spawning?

A) Harvesting coral for jewelry
B) Release of eggs and sperm into the water for reproduction
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) Silica
D) Plastic

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

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

6. How do coral reefs obtain most of their energy?

A) Through photosynthesis by zooxanthellae algae
B) By hunting small fish
C) Absorbing minerals from the water
D) Generating energy from the sun

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

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

8. What is the significance of the 'coral triangle'?

A) Coral reefs shaped like triangles
B) Region with the highest diversity of coral species
C) Protected area for coral reef research
D) A triangle-shaped coral reef

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