Coral Bleaching Refers to a Process Whereby ________

Coral bleaching refers to a process whereby ________.

A) warmer water temperatures lead to increased productivity in coral reefs
B) zooxanthellae eat carbohydrates produced by the coral, resulting in a change of coral colour
C) corals expel the zooxanthellae that serve as their primary food source
D) zooxanthellae attack the coral's protective skeleton, resulting in death of the corals