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How does the location of the foramen magnum indicated if a species was bipedal?
Wiki User
∙ 12y ago
It is positioned there to keep the skull in line with the posture of the vertebrae, which comes in at an angle to the skull in knuckle walkers. That is in contrast with humans in which the foramen magnum is positioned under the skull, which aligns with vertical posture of humans.
Wiki User
∙ 10y ago
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Why do you think the foramen magnum is positioned near the rear of the cranium for knuckle-walking species and near the center of the cranium for bipedal species?
It is positioned there to keep the skull in line with the posture of the vertebrae, which comes in at an angle to the skull in knuckle walkers. That is in contrast with humans in which the foramen magnum is positioned under the skull, which aligns with vertical posture of humans.
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