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AGRICULTURE 



plant organism tnat grows upon some other plant, or on 

 wheat are scab, rust and smut. These are all caused by the 

 growth of fungi on the wheat plant. A fungus is a tiny 



A good stand of wheat, raised by a Georgia club boy. 



animal tissue, and draws its living from its host. We call 

 any organism that gets its living off another organism in this 

 or a similar way a parasite. 



