Many drugs have been derived from land plants. These chemicals are used in plants mainly as _____.

+1 vote

 

  

a source of energy

  

defense against predators and parasites

  

reproductive structures

  

structural components

 

asked Dec 28, 2012 in Biology by anonymous
recategorized Dec 28, 2012
    

1 Answer

0 votes

 

defense against predators and parasites

 

answered Dec 28, 2012 by anonymous



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