Which of the following anatomical changes accompanied the transition (in humans) from partial to full bipedalism?

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Quizplus · Accepted Answer

All of these choices are correct. The development of a "basin-shaped" pelvis allowed for the attachment and support of larger muscles necessary for walking upright. The narrowing of the human foot allowed for more efficient weight distribution and balance while walking. The repositioning of the foramen magnum in the skull allowed the head to be balanced directly on top of the spine, making it easier to maintain balance while walking. The development of longer legs also contributed to more efficient bipedalism by increasing stride length and reducing energy expenditure.

Which of the Following Anatomical Changes Accompanied the Transition (In