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← Nature & AnimalsWhich nutritional consequence arises when a larval insect’s gut lacks symbiotic microbes?
A)Increased sensitivity to ingested toxins
B)Reduced efficiency of resource metabolism✓
C)Enhanced uptake of environmental pathogens
D)Decreased specificity in pheromone production
💡 Explanation
Reduced metabolic efficiency happens because gut microbes facilitate nutrient assimilation. These microbes employ metabolic mutualism, providing essential enzymes, therefore, hindering digestion when absent. Nutrients remain unbound, unmetabolized rather than accessible for larval growth processes.
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