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9th

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Genetic Drift _ Evidence of Evolution_Speciation Review

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  • 1. Multiple Choice
    1.5 minutes
    1 pt
    This mechanism of evolution occurs when individuals migrate between populations.
    Extinction
    Gene flow
    Genetic drift
    Natural Selection
  • 2. Multiple Choice
    1.5 minutes
    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
  • 3. Multiple Choice
    1 minute
    1 pt
    Which of the following is an example of the bottle neck effect?
    Bald Eagles are hunted until near extinction, population recovers.
    Small group of iguanas floats to an island, starts a new population.
    Red fox pups are more likely to survive in a snowy environment if they are born white.
    Farmer chooses seeds from largest apples to plant next year.  This results in larger apples from year to year.
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