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BiologyPaleontology and the Fossil Record
Paleontologists study fossils to understand ancient organisms. While fossils might look simple enough, they provide...
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BiologyTaxonomy I
Modern taxonomy officially began in 1758 with Systema Naturae, the classic work by Carolus Linnaeus....
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General ScienceThe Metric System
The metric system is the standard system of measurement in science. This module describes the...
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