Coral formations
A) tend to occur poleward of 30° latitude.
B) survive in a broad ecological range because they are tolerant of temperature, salinity, and depth variation.
C) require water that is high in sediment concentration.
D) are made of animals living symbiotically with simple algae.

Question

Quizplus · Accepted Answer

Coral formations are made of coral polyps, which are animals that live symbiotically with zooxanthellae, a type of simple algae. This relationship is crucial for the survival and growth of coral reefs.

Coral Formations