Some dinoflagellates live endosymbiotically with corals.When they die or are expelled by the corals-a phenomenon called "coral bleaching"- the corals can be damaged or destroyed because the dinoflagellates
A) protect corals against parasites.
B) bring microorganisms past feeding coral with the current created by their flagella.
C) contribute to coral nutrition through photosynthesis.
D) create phosphorescence that attracts prey microorganisms to corals.
E) release toxins that immobilize microorganisms on which corals feed.

Question

Quizplus · Accepted Answer

The dinoflagellates living endosymbiotically with corals contribute to their nutrition through photosynthesis. Without these dinoflagellates, the corals can be damaged or destroyed due to lack of nutrients, leading to "coral bleaching."

Some Dinoflagellates Live Endosymbiotically with Corals