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← Nature & AnimalsWhich outcome occurs when invasive plant species outcompete native plants, altering nitrogen cycling?
A)Decreased Rubisco carboxylation efficiency✓
B)Increased mycorrhizal symbiotic associations
C)Elevated atmospheric carbon sequestration
D)Enhanced denitrification from root exudates
💡 Explanation
When invasive plants dominate, altered plant litter composition affects soil microbial communities impacting nitrogen mineralization rates, leading to nitrogen limitation that decreases Rubisco carboxylation efficiency. Therefore decreased Rubisco carboxylation, rather than mycorrhizal associations, carbon sequestration, or denitrification results which depend on nitrogen availability and specific microbial activity.
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