Exploring Coral Reefs

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

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

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

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

3. What is the process of coral spawning?

A) Extermination of coral for construction
B) Harvesting coral for jewelry
C) Release of eggs and sperm into the water for reproduction
D) Trimming coral branches

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

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

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

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

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

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

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

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

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

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

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