Biology

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Darwin/Evolution

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  • 1. Multiple Choice
    15 minutes
    1 pt
    Which of the following is a fossil?
    a plant that has recently died
    a group of organisms that can reproduce
    a structure or organ that no longer functions
    a trace of an organisms that existed in the past
  • 2. Multiple Choice
    30 seconds
    1 pt
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    what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?
    different species on different islands
    all species on one of the islands
    identical species on all the islands
    the same species as North America
  • 3. Multiple Choice
    15 minutes
    1 pt
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    Genetic variation can arise from a random change in the DNA of a gene.  The change is called a(n)
    mutation
    gene flow
    gene pool
    allele
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