Which outcome occurs when a bird experiences increased feather barbule spacing?

💡 Explanation

Increased barbule spacing impairs feather interlocking, disrupting airfoil surfaces. This results in increased drag through increased air turbulence, as well as reduced lift through decreased pressure difference. Therefore, lift decreases and drag increases, rather than enhanced regulation because feather density governs aerodynamic properties.

• Which risk increases when aquatic plants rely solely on CO2 assimilation via photorespiration?
• Which photosynthetic bottleneck impacts plant growth as temperature rises?
• Which risk increases when guard cells malfunction, chronically holding stomata open?
• Which outcome of seasonal habitat restriction occurs in migratory bird populations due vocal learning?
• Which outcome occurs when thermal columns become weak during dynamic soaring attempts?
• Which consequence results when excessive urban electromagnetic fields interfere with avian navigation?