Exploring Coral Reefs

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

A) Belize Barrier Reef
B) Great Barrier Reef
C) Red Sea Coral 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) 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) Iron
B) Plastic
C) Calcium carbonate
D) Silica

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

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

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

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

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

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

8. 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

Created with That Quiz — the math test generation site with resources for other subject areas.