All of the Following Are True of Corals Except

Multiple Choice

All of the following are true of corals except:

A) they are small benthic marine animals that feed with stinging tentacles.
B) the distribution of reef-building corals is greater in the tropics.
C) corals grow in shallow water with high light and relatively low nutrient input.
D) hermatypic coral polyps contain symbiotic algae.
E) corals have obligate endosymbionts.