Understanding the Great Barrier Reef: Challenges and Conservation

Why is the Great Barrier Reef considered under threat?

• Because of consecutive natural disasters

• Due to pollution and climate change

• All of the above

• Due to coastal development

What is the largest living structure on Earth?

• Rocky Mountains

• Great Barrier Reef

• Sahara Desert

• Amazon Rainforest

What is the main component that corals excrete to form their structure?

• Magnesium sulfate

• Calcium carbonate

• Silicon dioxide

• Iron oxide

How does the coral obtain its vibrant colors?

• From the ocean water minerals

• Through artificial dyes

• From the sunlight

• From the algae living inside it

What significant events affected the Great Barrier Reef in 2016 and 2017?

• Plastic pollution

• Overfishing

• Mass bleaching events

• Oil spills

What was the impact of Tropical Cyclone Debbie on the Great Barrier Reef?

• Introduction of new coral species

• Loss of several coral sites

• No significant impact

• Increased coral growth

What is the main purpose of coral raceways in coral restoration?

• To study coral diseases

• To increase tourist attractions

• To control the water temperature

• To provide a controlled growth environment

What are the two methods of coral propagation mentioned?

• Coral nurseries and raceways

• Artificial reefs and coral nurseries

• Coral raceways and artificial insemination

• Coral nurseries and genetic modification

What role does the community play in the recovery of the Great Barrier Reef?

• All of the above

• Funding research projects

• Participating in citizen science efforts

• Regulating fishing activities

How can individuals globally assist in the recovery of the Great Barrier Reef?

• By visiting and taking photographs

• By donating to conservation organizations

• All of the above

• By participating in local clean-up events