The principle of fossil succession states that different types of fossil organisms succeed one another in a definite order. This principle indicates that the fossil organisms found in sedimentary rock layers can be used to identify and correlate the ages of those layers due to the consistent sequence in which different organisms appeared and disappeared throughout geological time.
The principle of fossil succession states that different types of fossil organisms _____.
are younger in the deepest layers of rock
generally leave behind hard parts
succeed one another in a definite order
occur most often in sedimentary rock
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