Overview: This web-based module provides students with a basic understanding of how fossils can be used to interpret the past. Author/Source: UC Museum of Paleontology Grade level: 6-8 Time: One to two class periods. Concepts: Present-day life forms are descended from past life forms; all life is related. Geological change and biological evolution are linked. Most species that once lived on Earth have gone extinct. The patterns of life's diversity through time provide evidence of evolution. An organism’s features reflect its evolutionary history. Fossils provide evidence of past life. The fossil record contains organisms with transitional features. Scientists use anatomical features to infer the relatedness of taxa. Teacher background: Evidence for Evolution Geologic Time

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