Completion
Complete each
statement.
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1.
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The amount of biological diversity in an area is called
____________________.
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2.
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____________________ is a branch of biology that focuses on the preservation of
biodiversity.
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3.
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The number of ____________________ in an area is a measure of
biodiversity.
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4.
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The biggest threat to biodiversity is ____________________.
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5.
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Mexico has more biodiversity than the United States because it is
_________________________.
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6.
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Human development often creates small isolated patches of wildlife area. This is
known as _____________________________.
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7.
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The actions of zebra mussels and sea lamprey in the Great Lakes are examples of
problems caused by ____________________ species.
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8.
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____________________ programs seek to establish species in areas where they once
lived.
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9.
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Allowing local people to collect fallen branches from trees in a protected
forest is an example of the philosophy of ____________________ use.
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10.
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The U.S. ____________________ Act of 1973 gave legal protection to threatened
and endangered species.
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11.
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The use of CFCs can destroy the ____________________ in the upper
atmosphere.
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12.
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A patch of wildlife area may have different climate conditions around its
perimeter. This is known as ____________________.
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13.
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The brown pelican and the American bald eagle were threatened by the use of the
pesticide ____________________.
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Short Answer
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14.
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Explain why biodiversity is important to people.
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15.
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Describe four types of threats to biodiversity.
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16.
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Why can exotic species be a problem in conservation biology?
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17.
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How does habitat fragmentation threaten biodiversity?
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18.
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Give an example of how habitat degradation threatened or threatens
biodiversity.
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19.
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Explain the relationship between size of an island and biodiversity.
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20.
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Explain the relationship of distance from the equator and biodiversity.
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Figure
5-1
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21.
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Figure 5-1 shows an airplane view of two protected areas A and B. Which area is
better for conservation biology? Why?
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Figure
5-2
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22.
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Figure 5-2 shows an airplane view of two protected areas C and D. Which area is
better for conservation biology? Why?
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Figure
5-3
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23.
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Figure 5-3 shows an airplane view of two protected areas E and F. Which area is
better for conservation biology? Why?
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24.
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What problems are associated with keeping organisms in captivity for later
reintroduction programs?
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25.
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Why are tropical rain forests so rich in biodiversity?
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26.
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Choose one organism whose population has increased after being labeled
threatened or endangered. Explain why the population has increased.
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27.
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Acid rain and fog kills trees in certain areas. Explain two ways that the acid
rain and fog affect the trees.
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