Which risk increases when a hibernating arctic ground squirrel's subcutaneous fat temperature fluctuates above -2°C?

💡 Explanation

When subcutaneous fat temperature rises above -2°C, norepinephrine release can trigger arousal because thermoreceptors signal the shift toward metabolically expensive normothermia. Therefore sudden arousal results, rather than embolism, denaturation or hypoglycemia which are suppressed by cryoprotective inactivity.

• Which aerodynamic effect relies on feather barbule microstructure during avian fight or flight?
• Which mechanism prevents airflow stall at high angles of attack in soaring birds like eagles?
• Which outcome occurs when coral bleaching weakens coral skeletons?
• Which consequence results when mechanical force damages a fish's swim bladder?
• Which behavioral outcome results when celestial cues inaccurately indicate time?
• Which risk increases when a tall tree's water column experiences significant tensile stress during high transpiration, exceeding its cavitation threshold?