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27 Cards in this Set
- Front
- Back
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fossilization |
to convert into a fossil |
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Carbonization |
convert into carbon |
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Petrifaction |
the process by which organic matter exposed to minerals over a long period is turned into a stony substance. |
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Tectonic activity |
theory that explains the phenomenon of continental drift |
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Microfossil |
a fossil or fossil fragment that can be seen only with a microscope |
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Gastroliths |
a small stone swallowed by a bird, reptile, or fish, to aid digestion in the gizzard. |
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Coprolites |
a piece of fossilized dung |
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Transitional fossil |
any fossilized remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group. |
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Archaeopteryx |
he oldest known fossil bird, of the late Jurassic period. It had feathers, wings, and hollow bones like a bird, but teeth, a bony tail, and legs like a small coelurosaur dinosaur. |
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Amber |
hard translucent fossilized resin produced by extinct coniferous trees of the Tertiary period, typically yellowish in color. |
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Replacement Fossilization |
If the calcite or aragonite is dissolved away the result is a fossil being preserved as a mold or cast. |
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Carbonization |
convert into carbon |
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Zoolith |
another name for a zoolite |
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Scolecodont |
a fossil worm jaw |
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Cast |
a mold |
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anatomical features |
of or relating to the structure of the body |
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concentric |
of or denoting circles, arcs, or other shapes that share the same center, the larger often completely surrounding the smaller. |
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paleontology |
the branch of science concerned with fossil animals and plants. |
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Igneous Inclusions |
is a rock fragment which becomes enveloped in a larger rock during the latter's development and solidification. |
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Lithification |
is the process in which sediments compact under pressure, expel connate fluids, and gradually become solid rock |
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Remineralization |
the breakdown or transformation of organic matter |
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Ichnofossil |
is a geological record of biological activity. |
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Mold |
hollow container used to give shape to molten or hot liquid material (such as wax or metal) when it cools and hardens. |
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Boring & Burrows |
a hole or tunnel in the ground made by a rabbit, fox, or similar animalfor habitation and refuge. |
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Transitional fossil |
any fossilized remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group. |
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fossil beds |
are often found in layers of sedimentary rock and along the beds of rivers that flow through them |
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organisms |
an individual animal, plant, or single-celled life form. |
