Which Statement About the Toxin Associated with the Red Tide

question 30

Multiple Choice

Which statement about the toxin associated with the red tide is INCORRECT?

• A) The toxin and the red tide are produced by a sudden and rapid increase in dinoflagellates.
• B) The fishing industry is adversely affected by the red tide and the toxin because it kills fish, clams, and contaminates shellfish used for human consumption.
• C) The frequency of the red tide and its geographic range has widened since the 1970s.
• D) The same toxin is produced by blooms of the blue-green bacteria and is responsible for the fishy-smell of oceans.
• E) The toxin may move up the food chain, killing or sicken any organism that eats the dinoflagellates or the contaminated shellfish.

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