Earth Science Quiz
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DEEP TIME AND EARTH HISTORY
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Geologists attempt to correlate rock units across an ocean basin between Continent X and Continent Y. They identify a brachiopod fossil on Continent X that is abundant, easily identified, and existed for a very short time. However, this fossil species is completely absent from the rocks of Continent Y. Why does this fossil fail for the specific task of correlating between Continent X and Y?
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