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Fossils
Fossil Vocabulary (reassessment)
Term | Definition |
---|---|
fossil | imprint or remains of plant or animal that once was alive and lived a very long time ago |
extinct | gone forever; all of one kind of a plant or animal dies |
cast fossil | a fossil made of inside a mold when minerals seeped in and hardens into the shape of the mold |
mold fossil | a fossil of an organism that left an empty space in the rock the shape of the once living organism |
trace fossil | a fossil that are the remains of the activity of an animal, such as preserved track ways, footprints, fossilized egg shells, and nests. |
petrified wood | a fossil in which the organic remains have been replaced by minerals in the slow process of being replaced with stone |
sap | sticky juice from trees |
amber | hardened treee sap, often the source of insect fossils and is usually yellow in color |
paleontologist | a scientist who studies fossils |
preserved | to keep something as it was |