Life on Mount Everest: Extreme Adaptations at High Altitude

Life on Mount Everest: Extreme Adaptations at High Altitude

Mount Everest's environment is brutally hostile: temperatures below -50°C, winds >100 km/h, oxygen at 33% of sea level, intense UV radiation. Yet life persists:

Flora

• Mosses and Lichens: Grow on rocks up to ~6,500 m; desiccation-tolerant.
• Snow Algae (Chlamydomonas nivalis): Cause "watermelon snow"; photosynthetic on snowfields.
• Cushion Plants (e.g., Arenaria): Compact growth minimizes wind exposure.

Fauna

• Snow Leopard: Apex predator; ranges up to 5,500 m; hunts blue sheep, tahr.
• Himalayan Tahr: Wild goat relative; grazes alpine meadows.
• Yak (Domestic/Breed): Used by Sherpas; adapted to hypoxia, cold.
• Birds: Bar-headed goose (migrates over Everest), choughs, snow finches.
• Invertebrates: Spiders, springtails at extreme elevations.

All exhibit remarkable physiological adaptations: increased hemoglobin, antifreeze proteins, metabolic suppression.