Why are some algal blooms harmful to humans?

+1 vote

 

  

Dinoflagellates parasitize the shellfish that feed on them.

  

Dinoflagellates produce toxins as a defense mechanism.

  

The blooms contain a high number of dinoflagellates.

  

Dinoflagellates produce a high concentration of xanthophylls.

 

asked Dec 28, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

Dinoflagellates produce toxins as a defense mechanism.

 

answered Dec 28, 2012 by LeafHy ~Expert~ (895 points)

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