Introduction to Marine Biology 3rd Edition by George Karleskint, Richard Turner, James Small

Exercise 6

Which of the following statements is incorrect
A) Corals on Pacific reefs seldom grow below 60 meters.
B) Pacific coral reefs are of greater antiquity than Atlantic reefs.
C) Corals of Pacific reefs seldom cover more than 60% of the surface.
D) Sea fans (gorgonians) are much less abundant on Pacific reefs than Atlantic reefs.
E) Many Pacific corals are diurnal, whereas most Atlantic corals are nocturnal.