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Was there a large diversity of life on Earth? Describe Two of the times periods organisims.
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How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
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How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km
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Which of these outcomes is a negative impact of postindustrial societies on the environment? a. nomadic ways b. overpopulation c. overgrazing d. resource renewal
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Was there a large diversity of life on Earth? Describe Two of the times periods organisims....
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