Trace Fossils - Fossils and Paleontology (U.S. National Park Service)
https://www.nps.gov/subjects/fossils/trace-fossils.htm
WebApr 16, 2024 · Trace fossils have many useful advantages for studying ancient life. Because environmental factors often influence activities, trace fossils provide important clues to the original conditions of ancient environments. Trace fossils reflect environmental factors such as salinity, oxygen levels, energy, interactions among organisms, and food ...
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