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

3. What is the process of coral spawning?

A) Trimming coral branches
B) Harvesting coral for jewelry
C) Release of eggs and sperm into the water for reproduction
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) Yellow
B) Blue
C) Green
D) Red

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

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

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

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

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

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

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