Science Fair Project Encyclopedia
Cranial capacity
Cranial capacity is a measure of the volume of the interior of the cranium (also called the braincase or brainpan) of those animals who have both a brain and a cranium. The most commonly used unit of measure is that of the cubic centimeter or cc. Only vertebrates have a cranium. The volume of the cranium is used as a rough indicator of the size of the brain, and this in turn is used as a rough indicator of the intelligence of the organism.
Examples of cranial capacity: (cc. stands for cubic centimeters)
Orangutans . . . . . . 275-500 cc.
Chimpanzees . . . . . 275-500 cc.
Gorillas . . . . . . . . . 340 -752 cc.
Humans . . . . . . . . . . . .1100 -1700 cc.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details