What percentage of the sea floor do reefs cover?

• 5%

• 10%

• 25%

• 1%

Why are coral reefs considered invaluable?

• They are easy to replace.

• They are home to many marine species.

• They are not affected by climate change.

• They cover a large part of the ocean.

What happens to corals when they expel algae?

• They become more colorful.

• They grow faster.

• They undergo bleaching.

• They become stronger.

What is the purpose of micro-fragmentation in coral restoration?

• To slow down coral growth.

• To make corals more colorful.

• To make corals smaller.

• To speed up coral regrowth.

What are scientists hoping to achieve by studying coral DNA?

• To make corals grow slower.

• To develop corals that are more resilient to heat and acidity.

• To create corals that can survive in colder waters.

• To make corals more colorful.