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1 January 2016 Picturing Evolution through Geologic Time
Lloyd H. Barrow
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Abstract

The purpose of this activity is to provide precollege biology students a visual representation of evolution. Unfortunately, many resources begin with the start of life, which ignores the fact that the Earth is 4.6 billion years old. This model uses adding-machine tape to sequence events. Representation of major evolutionary and geologic events helps students visualize macroevolution.

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Lloyd H. Barrow "Picturing Evolution through Geologic Time," The American Biology Teacher 78(2), 137-140, (1 January 2016). https://doi.org/10.1525/abt.2016.78.2.137
Published: 1 January 2016
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