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BIO NMDCAT Biological Importance of Water
nmdcat.online June 27, 2026

The concept that water can act as a “temperature buffer” for living organisms is fundamentally based on its

A. Low thermal conductivity
B. High specific heat capacity
✓
C. High transparency to visible light
D. Ability to dissolve respiratory gases

📝 Explanation

A buffer resists change. Thermally, water resists temperature change due to its high specific heat. It absorbs or releases a large amount of heat with a minimal change in its own temperature, stabilizing the internal thermal environment of organisms and ecosystems.

📖 Additional Information

  • Low thermal conductivity
  • High specific heat capacity
  • High transparency to visible light
  • Ability to dissolve respiratory gases

A buffer resists change. Thermally, water resists temperature change due to its high specific heat. It absorbs or releases a large amount of heat with a minimal change in its own temperature, stabilizing the internal thermal environment of organisms and ecosystems.

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