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Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution
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Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.
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Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?
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Ascientist observes two cells. cell 1 and cell 2 both contain dna (genetic material) and ribosomes....
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