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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
DOI: 10.1525/abt.2012.74.2.8
Stable URL: http://www.jstor.org/stable/10.1525/abt.2012.74.2.8
Page Count: 5
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How We Got Here: Evolutionary Changes in Skull Shape in Humans & Their Ancestors
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Abstract

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.

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