Which of the following is not correct regarding coral bleaching?
A) The 1998 El Niño event caused the die-off of an estimated 30% of the world's reefs.
B) Scientists have identified the reasons polyps eject their algae.
C) The warming of sea-surface temperatures is a great threat to coral.
D) Coral reefs are under pressure from overfishing, pollution, sedimentation, and global warming.

Question

Quizplus · Accepted Answer

Scientists have identified the reasons why polyps eject their algae. This statement is incorrect because it implies that scientists have not yet identified the reasons for coral bleaching, which is not true. Scientists have identified several factors that contribute to coral bleaching, including high sea-surface temperatures, pollution, and ocean acidification.

Which of the Following Is Not Correct Regarding Coral Bleaching