Biology

9th -

12thgrade

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Evidences Of Natural Selection

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20 questions

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  • 1. Multiple Choice
    15 minutes
    1 pt

    A bird's wing and a butterfly's wing have the same function, but they have very different structures. These structures are classified as follows:

    homologous structures

    analogous structures

    vestigial structures

  • 2. Multiple Choice
    15 minutes
    1 pt
    Image

    The diagram below shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

    Fossil 1 and 3 are the same age.

    Fossil 2 is older than fossil 3.

    Fossil 4 is older than fossil 3.

  • 3. Multiple Choice
    15 minutes
    1 pt

    Evolutionary biologists say that similarities between different species are evidence of which of the following?

    Organs shrinking and losing their function

    Formation of the first cell in an organic soup

    The presence of a common ancestor in a species

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