Complete the passage about the nitrogen cycle. During nitrogen fixation, specialized bacteria living in Earth's convert nitrogen taken from the ammonia. Another set of bacteria convert the ammonia to compounds called nitrates that plants and animals can use. 1.hydrosphere 2.atmosphere 3.geosphere
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During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.
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Complete the passage about the nitrogen cycle. During nitrogen fixation, specialized bacteria living...
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