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12 Cards in this Set
- Front
- Back
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FOSSIL |
any trace of life preserved in rock |
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GEOLOGICAL TIME SCALE |
categorizes and divides the history of Earth into a series of consecutive sections |
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LAW OF SUPERPOSITION |
when layers of rock pile up one upon the other with the deeper layers containing the older rocks and the upper layers containing the newest |
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STRATIGRAPHIC COLUMN |
a diagram representing a series of rock layers |
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ADAPTATION |
a trait that serves a species well and has evolved due to selective pressure |
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EVOLUTION |
the process by which species change into new species over a long period of time |
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NATURAL SELECTION |
animals with certain features are more likely to live to adulthood and reproduce |
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VARIATION |
the differences and individuality of animals within a species |
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CHARLES DARWIN |
the 19th century scientist who argued that adaptations occur over long periods of time |
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JOHN-BAPTISTE LaMARCK |
the scientist who first articulated in the 18th century how species might evolve |
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SPECIATION |
when two populations of a species accumulate enough changes that prohibits them from interbreeding |
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FOSSIL RECORD |
all of the fossils that have been found on Earth |
