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When the authors speak of plants with “evolved mechanisms for protection” (line 21), these mechanisms are used to protect against:

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Questions below are based on the following information.
This passage is adapted from the book Applied Turf Grass Science and Physiology by Jack Fry and Bingru Huang.





When the authors speak of plants with “evolved mechanisms for protection” (line 21), these mechanisms are used to protect against:






 
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