Question

A coral reef near you is experiencing a mass coral bleaching event. What does this MOST likely mean the reef is experiencing?

(1 point)

decreasing water temperatures


the loss of its zooxanthellae


an increase in exotic species


destruction from cruise ships

Answer 1

the loss of its zooxanthellae

Mass coral bleaching occurs when corals expel their symbiotic algae (zooxanthellae) — usually due to thermal or other stress — causing them to turn white and become weakened.