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9 Cards in this Set
- Front
- Back
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biological evolution |
change over time in populations of related organisms |
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cast |
fossil copy of an organism in a rock |
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extinction |
when all individuals of a species die |
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fossil record |
set of all the fossils discovered on earth |
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geologic time scale |
chart that divides earths history into different time units |
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isotopes |
atoms of the same element that have different numbers of neutrons |
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mold |
impression of an organism in a rock |
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tissue |
similar cells that work together and perform a function |
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trace fossil |
preserved of evidence of the activity of an organism |
