Mycorrhizal fungi are symbiotic with plant roots. What is the main benefit of this association to the plant? increased nutrient and water acquisition because the mycorrhizae have greater surface area to volume ratio than the plant's roots Increased anchoring strength because the mycorrhizae have stronger cell walls than the plant roots chemical defense against underground herbivory due to ectoenzymes produced by the mycorrhizae increased oxygen released into roots due to greater vascular circulation access to increases chemical energy stores due to the photosynthetic activity of the mycorrhizae
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