Tuesday, September 21, 2010

Fossils

This is a trace fossil. This is a trace fossil because it has animal prints in it. Trace fossils are when they have an imprint of animal trails.











This is an original remains fossil. It is an original remains fossil because it has the original remains of bone preserved in it. Original remains fossils are when tree sap trap the animal or bones and are preserved perfectly for millions of years.

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