Exploring Coral Reefs

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

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

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

A) Regulate the temperature of the ocean
B) Provide habitat and food for many marine species
C) Reduce pollution in the water
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. How do coral reefs obtain most of their energy?

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

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

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

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

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

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

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

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

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

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