Question 1: What percentage of marine species depend on coral reefs?
- About 25%
- Over 50%
- Under 10%
Answer: About 25%
Fact: Coral reefs, though covering less than 1% of the ocean floor, are home to about 25% of all marine species, making them one of the most diverse ecosystems on the planet—comparable to tropical rainforests in terms of biodiversity.
Question 2: The primary cause of coral bleaching is …
- Rising ocean temperatures
- Underwater earthquakes
- Full moon tides
Answer: Rising ocean temperatures
Fact: Rising water temperatures put stress on corals, forcing them to expel the algae living in their tissues—a process called coral bleaching. This causes the corals to turn white and become weakened. If the heat continues, the corals may eventually die.
Question 3: What Disney movie helped raise awareness about life on a coral reef?
- The Little Mermaid
- Finding Nemo
- Moana
Answer: Finding Nemo
Fact: Finding Nemo is set in a coral reef and showcases the vibrant beauty and rich diversity of reef life. Through its beloved characters and colorful underwater world, the film also raises awareness about the need to protect marine ecosystems.