Which of the following statements is true of net primary productivity?

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Marine productivity is highest along coasts and in areas where water wells up from the ocean bottom to the surface.

  

There is no productivity in the depths of the oceans.

  

Temperate areas are more productive than tropical areas.

  

Deserts and arctic regions have the highest productivity.

 

asked Jan 3, 2013 in Biology by anonymous
    

1 Answer

0 votes

 

Marine productivity is highest along coasts and in areas where water wells up from the ocean bottom to the surface.

 

answered Jan 3, 2013 by anonymous



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