How do mole-rats survive in tunnels with very little oxygen?
Quick Answer
Some mole-rats have unusually efficient ways of using low oxygen and high carbon dioxide conditions. Their underground lifestyle has shaped their breathing and metabolism.
The Full Story
Subterranean mole-rats live in burrows where oxygen levels can be low and carbon dioxide can build up. Certain species have adapted to tolerate these conditions far better than most mammals. They can reduce their activity, lower metabolic demands, and rely on physiological traits that help them function in poor air. This is especially important in dense tunnel systems with limited ventilation. Their biology gives scientists clues about how mammals can adapt to extreme environments.
Key Facts
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"How mammals live underground with barely any air"
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