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Science ( fossils )
Question | Answer |
---|---|
Fossil | The preserved remains or traces of living things. |
Sedimentary Rock | The type of rock where fossils are found. |
Sediment | Pieces of rock. |
Mold | A type of fossil ; a hollow area that takes the shape of an organism. |
Cast | A type of fossil; a solid copy of the shape of an organism ( the opposite of a mold ) |
Petrified fossil | A type of fossil; fossils in which minerals replace all or part of an organism. |
Carbon films | A type of fossil; a very thin coating of carbon on rock (the carbon from an organism). |
Trace fossils | A type of fossil: a footprint or "trace" of an organism |
Preserved remains | A type of fossil; preserved remains of organisms |
Paleontologist | A scientist who studies fossils |
Fossil Record | Provides evidence about the history of life and past environments on Earth. |
Evolution | The gradual change in living things over long periods of time. |
Extinct | An organism that no longer exists. |
Scientific Theory | A well tested concept that explains a wide range of observations. |