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How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures
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Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi
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Write a short essay describing at least one system in the place where you learn that helps you to ma...
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