Image: A Visual Comparison of the Pelvis and Bony Birth Canal Vs. the Size of Infant Skull in Primate Species
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Description: The diagram compares the size and shape of the pelvis as the infant's skull must move through it for the Chimpanzee, Australopithecus afarensis and Homo sapien sapien. This comparison is one of the pieces of evidence physical anthropologists use as evidence supporting the Obstetrical Dilemma hypothesis.
Title: A Visual Comparison of the Pelvis and Bony Birth Canal Vs. the Size of Infant Skull in Primate Species
Credit: Own work
Author: ArchaeoMouse
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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