Download Chapter 8 & 9 Review

1. In which of the following pairs do both
organisms belong to the same population?
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A) a rose and a carnation
B) a zebra and a horse
C) two residents of New York City
D) two similar species of monkey
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2. Which of the following populations has a
random dispersion?
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A) herd of sheep
B) clover in a field
C) school of fish
D) mountain lion
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3.The growth rate of a population of geese will probably increase
within a year if __________.
• A) more birds die than are hatched
• B) several females begin laying eggs at a younger
age
• C) most females lay two eggs instead of three
during a nesting season
• D) some birds get lost during migration.
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4. Which factor contributed the most to the
exponential growth of the human population?
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A) higher fertility rates
B) more food, better hygiene
C) increased immigration
D) higher birth rates
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5. A population will most likely deplete the
resources of its environment if the population
• A) must share resources
with many other species.
• B) moves frequently from
one habitat to another.
• C) grows beyond carrying
capacity.
• D) has a low reproductive
potential.
Correct !!
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6. Which of the following would cause a
population to decrease in a region.
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A) increased survivorship
B) increased fertility rates
C) decreased emigration
D) decreased immigration
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7. Which of the following is an example
of coevolution?
• A) wolves that compete with each other for
territory
• B) bacteria that suddenly mutate in a lab
• C) flowers that can be pollinated by only one
species of insect
• D) rabbits that invade a new habitat
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8. Which of the following has the
highest reproductive potential?
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A) spiders
B) bacteria
C) polar bears
D) cats
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9. An example of a population is
• A) all the animals in the
pond
• B) all the plants and
animals in the pond
• C) all the bass in the
ponds of Maryland and
Pennsylvania
• D) all the bass in a pond
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10. Which countries have Type I
survivorship?
• A) the most developed countries
• B) the least developed countries
• C) countries in the second stage of demographic
transition
• D) countries in the first stage of demographic
transition
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11. In this century, the world population is
likely to
• A) remain the same.
• B) continue to grow
exponentially.
• C) stabilize after fertility
rates fall below
replacement level.
• D) decline rapidly because
fertility rates are below
replacement level.
Correct !!
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12. Educating women worldwide has lowered birthrates
partly because
• A) educated women are stay-at-home
moms.
• B) educated women use family planning
techniques.
• C) educated women bear many children
to ensure some will survive.
• D) all of the above
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13. An example of a cause of death that is density
independent is
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A) disease.
B) predation.
C) earthquakes.
D) limited resources.
Correct !!
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14. When a resource is consumed at the same
rate at which the ecosystem produces the
resource, it is called the
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A) final resource.
B) carrying resource.
C) capacity resource.
D) limiting resource.
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15. A tree has moss growing on its bark. This
relationship is known as
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A) predation.
B) commensalism.
C) mutualism.
D) competition.
Correct !!
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