Which risk increases when feather barbules of a bird become misaligned by contaminants?

💡 Explanation

When barbules misalign, the interlocking structure that maintains aerofoil shape breaks down because normal cohesive forces are disrupted, leading to turbulent airflow and decreased lift control. Therefore reduced flight maneuverability results, rather than parasite susceptibility, insulation issues or UV damage, which depend on different structural traits.

• Which limitation arises in fish gills if blood and water flowed in the same direction?
• Which outcome occurs when mutations disrupt the function of imaginal disc homeobox genes in Drosophila?
• Which outcome follows when a lizard regulates its body temperature through peripheral vasodilation in a hot exterior environment?
• Which outcome occurs when a chameleon's chromatophore density plate spacing changes?
• Which consequence results when reduced blood flow hinders venom neutralization?
• Which adaptation enables albatrosses to maintain prolonged dynamic soaring flight with minimal energy expenditure?