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Fossil Record YS

QuestionAnswer
Fossil record: All of the fossils that exist, whether dug up or still in the earth, provide us with a record of the history of life on Earth.
Palenotologists: are scientists who use fossils to study life in the past.
Palenology: The study of 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, coprolites or footprints.
Uplift: when plate tectonics can cause fossils that were once part of the ocean floor to be found at the top of a mountain.
Scavenger: An organism that feeds upon dead and dying organisms.
Decomposer: An organism that breaks down the tissue and/or structures of dead organisms.
Abiotic/Physical Factors: Non-living factors such as erosion, wind and sun exposure.
Molds: are imprints left from fossils.
Casts Casts are formed when sediment leaks into a mold and hardens to form 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.
Amber: hardened tree sap
Tar Pit: A pit that collects tar.
Biological/Biotic Factors: Living factors such as decomposers, scavengers and predators.
Intertidal: The coastal zone between the low and high tide mark where waves impact the land.
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.
Erosion: Weathering or wearing away of rock and earth (and any fossils they contain) caused by wind, sun and/or water.
Created by: Vonnie
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