Which mechanism enables salmon to return accurately upriver, even facing strong currents?

💡 Explanation

Salmon depend on olfactory imprinting; young salmon memorize the scent of their natal river, then create an 'olfactory map'. This allows them to navigate back, because they follow familiar scents rather than using other navigational senses.

• Which process maintains core temperature homeostasis during mammal hibernation?
• Which outcome primarily affects the survival rates in camouflaged-prey when environmental patterns rapidly shift?
• Which physiological outcome occurs when a hibernating mammal experiences sudden external warming, specifically affecting cutaneous circulation?
• Which risk is magnified when a bird dynamically adjusts wing loading during sharp turns?
• Which mechanism do salmon use to locate freshwater spawning territories when river confluence landmarks disappear due to glacial dam collapse?
• Which outcome results when overexertion raises a seal's core temperature?