Which term best describes the relationship exhibited by mycorrhizal fungi and plant roots?

+1 vote

 

  

pathogenic, because mycorrhizal fungi cause a disease of plant roots

  

parasitic, because mycorrhizal fungi take sugars from the plant without providing a benefit to the plant

  

mutualistic, because both organisms benefit

  

commensal, because neither the plant nor the fungi gain a benefit from this relationship

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

mutualistic, because both organisms benefit

 

answered Dec 31, 2012 by Ytwsa ~Expert~ (1,092 points)

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