Because an upright posture helps to conserve body heat, bipedalism may have developed among early hominins as an adaptation to the cooler conditions of the ice ages.

Question

Quizplus · Accepted Answer

Bipedalism is believed to have developed in early hominins primarily as an adaptation to open savanna environments, not specifically as a response to cooler ice age conditions.

Because an Upright Posture Helps to Conserve Body Heat, Bipedalism