Asked by diddy
FOSSILS & ROCK AGES
WHICH LOOKS AT ORGANISMS THAT LIVED ON EARTH ONLY DURING A SHORT AND SPECIFIC TIME PERIOD?
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Q Overview
A. ABSOLUTE DATING
B. INDEX FOSSILS
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C. RELATIVE DATING
D. UNCONFORMITIES
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B. INDEX FOSSILS
Index fossils are remains of organisms that were widespread but lived only during a short, specific interval of geologic time, so they’re used to identify and correlate the ages of rock layers. (Absolute dating measures numerical age, relative dating orders events without numbers, unconformities are gaps in the rock record.)
Index fossils are remains of organisms that were widespread but lived only during a short, specific interval of geologic time, so they’re used to identify and correlate the ages of rock layers. (Absolute dating measures numerical age, relative dating orders events without numbers, unconformities are gaps in the rock record.)
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