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9 Cards in this Set
- Front
- Back
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what do you call the impression of an organism in a rock
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mold
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what is the fossil copy of an organism in a rock
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cast
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the preserved evidence of the activity of an organism is called
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trace fossil
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all of the fossils ever discovered on earth are called
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fossil record
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what is a major cause of extinctions
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environment changes
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the preserved tissues of an organism are called
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original material fossils
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the change over time in populations of related organisms is
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biological evolution
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a chart that divides earth's history into units called
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geologic time scale
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what can be learned about a fossil using relative age dating
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fossils age compared to another fossils
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