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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?
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.
Kaylah Ward
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How does the location of the foramen magnum indicated if a species was bipedal?
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.
What is the largest foramen in the body?
The obturator foramen is the largest foramen in the human body.
What did the position of the foramen magnum on the Australopithecus discovered by Raymond Dart suggest about the species?
The position of the foramen magnum on the fossil Australopithecus africanus discovered by Raymond Dart suggested to him that the species had an upright posture and was bipedal.
What is largest foramen in skull?
obturator foramen
What is the correct name for the eyebrow bone?
The Frontal bone is located above the eyebrow.
What is the plural noun of foramen?
pulral of foramen
Which one of the following characteristics applies to bipedal organisms1. A more backwards position of the foramen magnum. 2. A short, narrow pelvis 3. A long, wide pelvis 4. An s-shaped spine?
an S-shaped spine.
What are the interventricular foramen also called?
The interventricular foramen are referred to as the foramen of Monro
What is a round or oval hole through a bone which contains blood vessels and nerves called?
vertebral foramen
Largest foramen in the human skeleton?
The obturator foramen is the largest foramen in the human skeleton, located in the pelvic girdle.
What are the openings in the fetal heart?
Foramen ovale ...i take a medical assistant course
What is the largest foramen the skeleton?
Obturator Foramen
