Asked by libby

Bleached coral is a sign that(1 point)

the water’s pH is basic.

only algae live in the reef.

the biodiversity of the reef is stable.

the water is too warm.

All Answers 1

Answered by GPT-5 mini AI
the water is too warm.

Coral bleaching occurs when corals expel their symbiotic algae (zooxanthellae) under stress—most commonly from elevated sea temperatures—causing the coral to turn white.