Protecting Coral reefs
- What is the lecture mainly about?
- A. The transplantation of young coral to new reef sites
- B. Efforts to improve the chances of survival of coral reefs
- C. The effects of water temperature change on coral reefs
- D. Confirming the reasons behind the decline of coral reefs
- According to the professor, how might researchers predict the onset of coral bleaching in the future?
- A. By monitoring populations of coral predators
- B. By monitoring bleach-resistant coral species
- C. By monitoring sea surface temperatures
- D. By monitoring degraded reefs that have recovered
- What is the professor’s opinion about coral transplantation?
- A. It is cost-effective.
- B. It is a long-term solution.
- C. It is producing encouraging results.
- D. It does not solve the underlying problems.
- Why does the professor discuss refugia?
- A. To explain that the location of coral within a reef affects the coral’s ability to survive
- B. To point out why some coral species are more susceptible to bleaching than others
- C. To suggest that bleaching is not as detrimental to coral health as first thought
- D. To illustrate the importance of studying coral that has a low vulnerability to bleaching
- What does the professor imply about the impact of mangrove forests on coral-reef ecosystems?
- A. Mangrove forests provide habitat for wildlife that feed on coral predators.
- B. Mangrove forests improve the water quality of nearby reefs.
- C. Mangrove forests can produce sediments that pollute coral habitats.
- D. Mangrove forests compete with nearby coral reefs for certain nutrients.
- According to the professor, what effect do lobsters and sea urchins have on a coral reef?
- A. They protect a reef by feeding on destructive organisms.
- B. They harm a reef by taking away important nutrients.
- C. They filter pollutants from water around a reef.
- D. They prevent a reef from growing by preying on young corals.
B C D AD B A