ThatQuiz Test Library Take this test now
Exploring Coral Reefs
Contributed by: Foster
  • 1. What is the largest coral reef system in the world?
A) Great Barrier Reef
B) Coral Triangle
C) Belize Barrier Reef
D) Red Sea Coral Reef
  • 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) Harvesting coral for jewelry
B) Extermination of coral for construction
C) Trimming coral branches
D) Release of eggs and sperm into the water for reproduction
  • 4. What is the hard outer skeleton of coral made of?
A) Iron
B) Plastic
C) Silica
D) Calcium carbonate
  • 5. Which color of light penetrates the deepest into the ocean, allowing coral to photosynthesize?
A) Green
B) Yellow
C) Red
D) Blue
  • 6. 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
  • 7. What is the process of a coral reef forming on a volcanic island called?
A) Deposition
B) Subduction
C) Erosion
D) Succession
  • 8. What is the significance of the 'coral triangle'?
A) Coral reefs shaped like triangles
B) Protected area for coral reef research
C) Region with the highest diversity of coral species
D) A triangle-shaped coral reef
Created with That Quiz — the math test generation site with resources for other subject areas.