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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Which
of the following is NOT one of the four factors that play a role in growth rate? a. | immigration | b. | death rate | c. | emigration | d. | demography | | |
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2.
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When
organisms move out of the population they were born in, it is known as a. | emigration. | b. | abandonment. | c. | immigration. | d. | succession. | | |
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3.
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Which
are two ways a population can decrease in size? a. | immigration and emigration | b. | increased death
rate and immigration | c. | decreased birthrate and emigration | d. | emigration and
increased birthrate | | |
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4.
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Which
factor might NOT contribute to an exponential growth rate in a given population? a. | lower death
rates | b. | higher birthrates | c. | less
competition | d. | reduced resources | | |
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5.
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A
biotic or an abiotic resource in the environment that limits the size of a population is
a a. | carrying
capacity. | b. | limiting nutrient. | c. | limiting
factor. | d. | growth factor. | | |
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6.
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The
number of organisms that an environment can support over a relatively long period of time is
called a. | carrying
capacity. | b. | logistic growth. | c. | exponential
growth. | d. | limiting factor. | | |
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7.
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Which
will reduce competition within a species’ population? a. | fewer
individuals | b. | higher birthrate | c. | fewer
resources | d. | higher density | | |
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8.
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Water
lilies do not grow in desert sand because water availability to these plants in a desert
is a. | a limiting
factor. | b. | the carrying capacity. | c. | a competition
factor. | d. | parasitism. | | |
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9.
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A
disease resulting in the deaths of one-third of a dense population of bats in a cave would be
a a. | density-dependent limiting factor. | b. | result of the
demographic transition. | c. | density-independent limiting factor. | d. | result of social
and economic factors. | | |
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10.
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In
Rwanda, there are more young children than teenagers, and more teenagers than adults. This age
structure indicates a population that a. | has stopped growing. | b. | will double in
30 years. | c. | has a steady growth rate. | d. | will decrease in
30 years. | | |
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