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← Nature & AnimalsWhich metabolic consequence occurs when soil nitrification reduces symbiotic bacteria functions?
A)Decreased nitrogen fixation in plant roots✓
B)Enhanced photosynthetic efficiency in leaves
C)Increased decomposition by soil fungi
D)Elevated carbon sequestration into biomass
💡 Explanation
Reduced nitrification decreases plant signaling to nitrogen-fixing bacteria in root nodules; nitrogen fixation cannot establish efficiently because the bacteria lack signals for root colonization and function; therefore, it limits growth rather than enhanced photosynthesis.
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