The causative agent for toxic red tides is
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Ceratium furca
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Noctiluca scintillans
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Neospora
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Frenkelia
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Besnoitia
A
Correct answer
Explanation
Ceratium furca blooms because of coastal eutrophication. Blooms of this species cause toxic red tides (red-brown), damage fish gills and deplete dissolved oxygen causing anoxic conditions.