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How We Got Here: Evolutionary Changes in Skull Shape in Humans & Their Ancestors
Rebecca M. Price
The American Biology Teacher
Vol. 74, No. 2 (February 2012), pp. 106-110
Published by: University of California Press on behalf of the National Association of Biology Teachers
Stable URL: http://www.jstor.org/stable/10.1525/abt.2012.74.2.8
Page Count: 5
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This activity uses inquiry to investigate how large changes in shape can evolve from small changes in the timing of development. Students measure skull shape in fetal, infant, juvenile, and adult chimpanzees and compare them to adult skulls of Homo sapiens, Homo erectus, and Australopithecus afarensis. They conclude by re-interpreting their findings in light of Ardipithecus ramidus.
The American Biology Teacher © 2012 National Association of Biology Teachers