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Which outcome frequently occurs when soil ecosystems lack diverse plant species?

A)Nitrogen fixation rate decreases rapidly
B)Mycorrhizal fungi growth is enhanced
C)Phosphorus uptake becomes far more efficient
D)Heavy metal pollution potential decreases

💡 Explanation

Reduced plant diversity negatively impacts symbiotic bacteria's health; nitrogen fixation rate plummets because fewer specific plant species offer root nodule habitats. This reduces available nitrogen, therefore decreasing potential plant growth, rather than facilitating more efficient phosphorus or metal pollutant controls.

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