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Fossil Museum: Geologic Time
Pictures of fossils are arranged in chronological sequence and by geologic period. Pictures include scientific names and location where the fossils were found.
Science Struck
Science Struck: What Are Stromatolites and How Do They Form?
Explains what stromatolites are, their formation from colonies of cyanobacteria, their evolutionary importance, and where they can be found living today. Thrombolites are similar to stromatolites but form differently. They can also still...