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14 Cards in this Set
- Front
- Back
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The (Law of Superposition) states that in sediments rock layers is older than the layer above it |
Law of Superposition |
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What type of fossil provides clues about the behaviors or activities of ancient organisms |
Trace fossil |
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The relative age of a rock is its age compared to the ages of other |
Relative Age |
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Organism that no long exist on Earth is to be said |
Extinct |
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The fossil record can show how organism have changed over time |
Changed |
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What type of fossil shows whole or parts of an organism trapped in ice, amber or tar. |
Preserved |
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200 million year old fossil is below a layer of limestone but sandstone is above is is younger or older ? |
Younger |
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Finding fossils of sea creatures in an area suggest that the area was once |
Under water |
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Fossil that forms when an organism decays leaving a hollow space in the Rock called |
Mold fossil |
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What type of fossil leaves a carbon layer |
Carbonized fossil |
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4 criteria for being a index fossil |
Short parts of earth history, must be found in rock layer, found in wide area of earth, and must be unique |
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Fossil give scientist clues about what 3 things from the past. |
Living things through history. Past climate and surface change and changes in organism over time. |
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Older layers of rock are found toward the blank but younger layers are found toward the bland |
Bottom and top |
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All of the ever found are part of the |
Fossil records |
