Which statement is NOT true about living coral reefs?
A) Coral reefs are generally restricted to water temperatures of 18°C or less.
B) Coral reefs are generally restricted to depths of 60 m below sea level.
C) The calcite reef skeleton is built by algae.
D) Algae provide oxygen that a key reef organism uses in order to secrete calcite.

Question

Quizplus · Accepted Answer

Living coral reefs are generally restricted to water temperatures between 20-28°C. At temperatures above or below this range, coral bleaching or death can occur.

Which Statement Is NOT True About Living Coral Reefs