Functional adaptations in humans during their lifetimes are usually associated with environmental conditions.

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Quizplus · Accepted Answer

This is true. Functional adaptations, which refer to changes in the structure or function of an organism in response to its environment, are commonly observed in humans and are often considered to be a mechanism of adaptation to environmental pressures. For example, people who live at high altitudes often have greater lung capacity and more efficient oxygen uptake than those who live at sea level, which allows them to cope with lower oxygen concentrations in the air. Similarly, individuals who engage in endurance exercise may develop greater cardiovascular efficiency and increased muscle strength over time, enabling them to perform better in those activities.

Functional Adaptations in Humans During Their Lifetimes Are Usually Associated