Human-chimpanzee cranial comparisons--answers

Human-chimpanzee cranial comparisons--answers - SOCA 252:...

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SOCA 252: In-Class Assignment Group #: _________ Human-Chimpanzee Cranial Comparisons Present: 1) Using picture #1, describe the differences between the ape crania in terms of the following aspects: a. What is the widest part of the cranium in all of these ape species? zygomatic (cheek) b. Which species has a sagittal crest? __gorilla___________________________________ c. Which species demonstrates evidence of prognathism? __all_______________________ d. Describe “post-orbital constriction” and indicate which ape species have post-orbital constriction: the restricted area on the cranium behind the eye orbits before the expansion for the bony structure that contains the brain e. Describe the general shape of an ape cranial vault: sloping low and away from face; no “forehead” 2) Using picture #2, determine the average cranial capacity and body weight for males following species: (males indicated) Pan paniscus Pan Troglodytes Gorilla gorilla Homo sapiens Cranial Capacity 350 400 550 1100-1700 cc Body Mass 45 kg 48 kg 175 kg 50 -80 kg a. Who has the largest cranial capacity given their body mass? ___Humans_____________
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This note was uploaded on 04/07/2008 for the course SOCA 252 taught by Professor Hirshman during the Fall '07 term at WVU.

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Human-chimpanzee cranial comparisons--answers - SOCA 252:...

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