Coral bleaching occurs ____.
A) when excessive runoff allows household bleach to enter coral reefs
B) when reefs become pale because algae leave and polyps die
C) when the water becomes too alkaline and polyps overgrow
D) when the calcium carbonate skeleton of a reef becomes overgrown
E) When there is an overgrowth of phytoplankton within the coral reef

Question

Quizplus · Accepted Answer

Coral bleaching occurs when coral reefs become pale due to the loss of their algae and death of polyps. This can be caused by various environmental stressors such as changes in water temperature or quality.

Coral Bleaching Occurs ____