Modified True/False
Indicate
whether the sentence or statement is true or false. If false,
change the identified word or phrase to make the sentence or statement
true.
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1. |
Most
natural populations show logistic population growth. ____________________
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2. |
Exponential population growth can only occur if there are unlimited
resources. ____________________
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3. |
The
ecological population density is usually larger than the crude
population density. ____________________
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4. |
Exponential population growth shows an S-shaped graph. ____________________
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5. |
In
the mark-recapture method of sampling, only tagged individuals
are recaptured. ____________________
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6. |
Transmitters on migrating animals are continuously sending
signals that are picked up by receivers on satellites. ____________________
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Multiple Choice
Identify
the letter of the choice that best completes the statement or answers
the question.
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7. |
Changes in population size, density, dispersion, and age structure
refer to which of the following?
a. |
population
dynamics |
c. |
population
geography |
b. |
demography |
d. |
ecology |
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8. |
Which
of the following will cause a population to increase?
a. |
a
decrease in natality |
c. |
limiting
factors |
b. |
an increase in mortality |
d. |
an increase in biotic potential |
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9. |
A
population that has an annual growth rate of 0.5% will double in approximately
a. |
14
years |
c. |
140
years |
b. |
35 years |
d. |
350 years |
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10. |
Which
of the following is a density-dependent factor?
a. |
the Allee effect |
c. |
weather |
b. |
human
intervention |
d. |
pollution |
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11. |
Which
of the following is a way to avoid the effects of limiting factors?
a. |
adding
no fertilizer to a field |
c. |
not
having your pet neutered |
b. |
providing food and shelter for wild birds |
d. |
introducing
predators to an ecosystem |
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12. |
A
graph representing population that is limited by a definite carrying
capacity is shaped like which letter?
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13. |
In
most developed countries, infant mortality rates are very low. Human
populations in these countries would show which type of survivorship?
a. |
late loss |
c. |
constant loss |
b. |
early
loss |
d. |
exponential
growth |
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14. |
The
current world-population growth rate is approximately
a. |
–0.5% |
c. |
1.3% |
b. |
0% |
d. |
13% |
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15. |
What
is the population growth rate for France, which in 2002 had a birth
rate of 13 per 1000 population and a death rate of 9 per 1000 population?
a. |
0.4% |
c. |
9% |
b. |
4% |
d. |
13% |
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