plant fossils animal fossils what are fossils? fossils are the remains (or traces) of dead plants or...
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![Page 1: Plant Fossils Animal Fossils What are fossils? Fossils are the remains (or traces) of dead plants or animals from long ago that have been preserved](https://reader035.vdocument.in/reader035/viewer/2022062222/56649ee05503460f94bf000a/html5/thumbnails/1.jpg)
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Plant Fossils
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Animal Fossils
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What are fossils?Fossils are the remains (or traces) of dead plants or animals from long ago that have been preserved.
Fossils are foundin sedimentary rock. (also in amber or tar)
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Paleontology – The Study of Fossils
Fossil Hunting
FossilFinding
AnimalReconstruction
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Fossils can be found in …
Sedimentary RockAmber (tree sap)
Tar
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La Brea Tar Pit in L.A.
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Mud - Petrified Wood
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How are fossils formed?• MOST fossils are formed in
sedimentary rock.
• When the organism dies, it begins to decompose.
• If it is buried quickly by fine sediment, it can leave an imprint before complete decomposition.
• The fine sediment can seal the imprint before the sediment turns to rock.
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Two Types of Fossils:
• Body Fossils are fossils formed by a mold or an imprint of the animal or plant.
• Trace Fossils are evidence of activities of the animals, like burrows, trails, tracks, or even feeding marks.
Worm from 570 million years ago
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Paleontologists organize fossil evidence in a Geologic Time Chart.
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What pattern do you see?