Question

Coral bleaching results when the symbiotic zooxanthellae, a single-celled algae, are released from the original host coral organism due to stress. When the zooxantheallae are released, the coral loses its pigment, resulting in a bleached or completely white appearance. The MOST common cause of coral bleaching is

Answer 1

D) All four factors effect coral bleaching to varying degrees. The most common cause of coral bleaching is increased water temperature. Increased water temperature may be a result of thermal pollution or increased ocean temperatures due to global warming.

Answer 2

Its clearly obvious that its D