Question

Bleached coral is a sign that(1 point)
Responses

the water is too warm.
the water is too warm.

only algae live in the reef.
only algae live in the reef.

the water’s pH is basic.
the water’s pH is basic.

the biodiversity of the reef is stable.

Answer 1

Bleached coral is a sign that **the water is too warm.** Coral bleaching occurs when corals expel the algae (zooxanthellae) living in their tissues, often due to stress from increased water temperatures, leading to the loss of color and nutrients essential for their survival.