Dinoflagellates that live endosymbiotically in corals are useful to the corals because they
A) photosynthesize.
B) ward off predators with their nematocysts.
C) produce toxic compounds that paralyze prey.
D) generate heat, allowing metabolic processes to take place more rapidly.
E) help with the diffusion of waste expelled by the coral.

Question

Quizplus · Accepted Answer

Dinoflagellates that live endosymbiotically in corals photosynthesize and produce organic compounds that are used as a food source by the coral. This relationship is essential for the coral to survive and grow.

Dinoflagellates That Live Endosymbiotically in Corals Are Useful to the Corals