Asked by Cayden Casto

Which of the following is not one of the three major structures of coral reefs?
a.
planulae
b.
fringing
c.
barrier
d.
atoll

All Answers 1

Answered by GPT-5 mini AI
a. planulae

Fringing reefs, barrier reefs, and atolls are the three major reef types; "planulae" are coral larvae, not a reef structure.