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Fossil Records BS
| Question | Answer |
|---|---|
| Fossil record | ALL of the fossils that have existed throughout life’s history, whether they have been found or not. |
| Paleontologist | The study of life in the past. Paleontologists are people who study fossils and other types of evidence to learn about life in the past. |
| Body Fossil | Body parts of organisms that become fossils, such as bones, teeth, skin, leaves and tree trunks. |
| Trace Fossil | Evidence left by organisms, such as burrows, imprints, coprolite or footprints. |
| Scavenger | An organism that feeds upon dead and dying organisms. |
| Decomposers | Non-living factors such as erosion, wind and sun exposure. |
| Physical Factors | Non-living factors such as erosion, wind and sun exposure. |
| Mold | Are imprints left from something that was buried. |
| Casts | Are formed when sediment leaks into a mold and hardens to from a copy of the original structure. |
| Mineralization | occurs when minerals carried in water build up in the spaces of an organism and eventually become rock. |
| Impressions | are the imprints left behind in the sediments by an organism. |
| Tar Pit | A pit that collects tar. |
| Biological/ biotic factors | living factors sick as decomposers, scavengers and predators. |
| Intertidal | the coastal zone between the low and high tide mark where waves impact. |
| Igneous | Produced when molten magma (lava) cools and solidifies. |
| Sedimentary | Layers of small particles (sediment) compressed and cemented together. |
| Metamorphic | Any type of rock changed by heat, pressure and chemical activity. |
| Uplift | The process that causes part of the Earth’s crust to rise above surrounding areas. This can cause layers of rock to become exposed at the surface. |
| Erosion | weathering or wearing away of rock and earth caused by wind, sun and /or water |