Which statement about productivity is true?

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Production of biomass is highest at the highest trophic levels.

  

Energy is converted to tissue at several trophic levels.

  

Gross primary productivity is that part of productivity unavailable as food to herbivores.

  

All net primary productivity is available as food to herbivores.

 

asked Jan 3, 2013 in Biology by anonymous
    

1 Answer

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Energy is converted to tissue at several trophic levels.

 

answered Jan 3, 2013 by anonymous

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