Some Dinoflagellates Live Endosymbiotically with Coral

question 190

Multiple Choice

Some dinoflagellates live endosymbiotically with coral.When dinoflagellates die, this contributes to coral bleaching.Their death has this result because dinoflagellates

• A) protect corals against parasites.
• B) create a current with their flagella that brings microorganisms to feeding coral.
• 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.

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