Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What are two signs that different species may have a common ancestor?
A. | similar DNA and similar traits | C. | similar DNA and different
traits | B. | different fossils and similar traits | D. | similar fossils and different
traits |
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2.
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What did Darwin NOT understand about the process of evolution?
A. | the slowness of the process | C. | the role of
genetics | B. | the importance of separation | D. | the importance of
competition |
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3.
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Over time, animals may change behavior or physical appearance in response to
changes in the environment. What is this called?
A. | adaptation | C. | genetic change | B. | genetic variation | D. | resistance |
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4.
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What is the process by which organisms that are better adapted to their
environment survive and reproduce more successfully than less well adapted organisms do?
A. | species separation | C. | genetic change | B. | genetic resistance | D. | natural
selection |
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5.
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Many insects can adapt very quickly to insecticides because
A. | the insects form separate species. | C. | the insects have rigid
exoskeletons. | B. | the insects’ generation time is short. | D. | the insects’ genetic structure is
stable. |
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6.
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What evidence of natural selection is available today that was not available to
Darwin?
A. | Organisms inherit traits. | B. | Differences in genes create
variation. | C. | Humans can breed organisms for specific traits. | D. | There is great
variation among organisms. |
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7.
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The process by which populations slowly change over time is called
A. | selective breeding. | C. | speciation. | B. | adaptation. | D. | evolution. |
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8.
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A spider may produce hundreds of eggs, only a few of which may survive. This is
an example of
A. | overproduction. | C. | genetic change. | B. | speciation. | D. | division. |
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9.
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____ are remains of life from an earlier time.
A. | Sedimentary rocks | C. | Variations | B. | Fossils | D. | Limestones |
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10.
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Scientists can tell whether organisms are closely related by comparing their
____.
A. | hair color | C. | DNA | B. | teeth | D. | scientific
names |
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11.
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In undisturbed areas, older rock layers lie ____ successively younger rock
layers.
A. | below | C. | in between | B. | above | D. | on top of |
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12.
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The name Homo sapiens means ____.
A. | “tool-using man” | C. | “handy
man” | B. | “wise human” | D. | “southern ape” |
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Short Answer
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13.
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The cross section in Figure 6-1 shows undisturbed layers of sedimentary rock.
Which organism, A or B, is older? Explain. Figure 6–1
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Matching
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Match each with the correct statement below. A. | adaptation | D. | species | B. | fossil | E. | evolution | C. | fossil
record | F. | tree of
life |
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14.
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the sequence of life’s history as indicated by fossils
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15.
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a characteristic that improves an organism’s ability to survive
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16.
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a group of organisms that can mate to produce fertile offspring
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17.
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the slow process that results in new species
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18.
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the remains or imprint of an organism
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Match each term with the correct description below. A. | Lamarck’s explanation of evolution | G. | natural
selection | B. | camouflage | H. | variation | C. | homologous structures | I. | embryology | D. | vestigial
structures | J. | relative
dating | E. | species | K. | gradualism | F. | radiometric dating | L. | punctuated
equilibrium |
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19.
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when an organism blends into its environment
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20.
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estimates age of fossils from sedimentary rocks
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21.
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study of the development of the embryos of organisms
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22.
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evolution as a slow change of one species to another
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23.
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telling age by amount of change in a radioactive element
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24.
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body parts that are reduced in size with no apparent function
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25.
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survival of the fittest
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26.
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evolution as a result of acquired characteristics
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27.
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a trait that makes an individual different from other members of its
species
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28.
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rapid evolution with few intermediate forms
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29.
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body parts that are similar in origin and structure
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30.
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a group of organisms that share similar characteristics and can reproduce among
themselves
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True/False
Indicate whether the
statement is true or false.
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31.
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Evolution continues to occur in organisms today.
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32.
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Evidence supports both punctuated equilibrium and gradualism.
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33.
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Scientists know the exact rate of evolution.
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