Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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According to Darwin, evolution occurs a. | by
chance. | b. | during half-life periods of 5,730
years. | c. | because of natural selection. | d. | rapidly. | | |
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2.
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Structures that have reduced in size because they no longer serve an important
function are called a. | inorganic. | c. | fossilized. | b. | mutated. | d. | vestigial. | | | | |
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3.
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The
mutation that made Mycobacterium tuberculosis resistant to antibiotics
involved a. | a missing
chromosome. | c. | a single base
change. | b. | an extra gene. | d. | None of the above | | | | |
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4.
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In
order to fit into their habitat, the Galapágos finches had a. | not
changed. | c. | evolved. | b. | migrated. | d. | None of the above | | | | |
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5.
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The
accumulation of differences between species or populations is called a. | gradualism. | c. | divergence. | b. | adaptation. | d. | differentiation. | | | | |
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