Science

7th

grade

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Mechanisms of Evolution

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20 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    Genetic drift is change in the allele frequency of a population due to...
    random chance
    natural selection
    non-random mating (sexual selection)
    artificial selection
  • 2. Multiple Choice
    1 minute
    1 pt
     Genetic Drift is more likely to happen in... 
    aquatic populations
    small populations
    terrestrial populations
    older populations
  • 3. Multiple Choice
    1 minute
    1 pt
    This mechanism of evolution occurs when populations migrate.
    Extinction
    Gene flow
    Genetic drift
    Natural Selection
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