Download Standard Test 3- Nine weeks Exam Answer Section

Standard Test 3- Nine weeks Exam
Multiple Choice
Identify the choice that best completes the statement or answers the question.
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1. Diseases may spread more rapidly when an area is crowded, so disease is considered to be a
a. density-dependent limiting factor.
b. population crasher.
c. type I survivorship curve
d. requirement for logistic growth.
2. Legumes are green plants that have root nodules that contain bacteria. What do these bacteria do?
a. They change carbon monoxide from the form in air into forms useful to plants and
animals.
b. They change carbon dioxide from the form in air into forms useful to plants and animals.
c. They change nitrogen from the form in air into forms useful to plants and animals.
d. They change oxygen from the form in air into forms useful to plants and animals.
3. The reestablishment of a damaged ecosystem in an area where the soil is intact is called
a. secondary succession.
b. pioneer succession.
c. primary succession.
d. symbiotic succession.
4. Resource availability, competition, predation, and disease all can affect population dynamics and can lead to
animal and plant population increases or decreases. They are known as
a. stabilizing factors
c. limiting factors
b. sustaining factors
d. disturbing factors
5. Carbon dioxide in the atmosphere enters the biotic parts of the biosphere through _____.
a. photosynthesis
c. combustion of fossil fuels
b. burning of forests
d. all of these
6. Pioneer species are the first
a. trees that replace the original trees after a forest fire.
b. trees to grow in an area that has been disturbed.
c. organisms to live in previously uninhabited areas.
d. organisms to live in a forest canopy.
7. Density-independent factors are limiting factors whose effects are _____.
a. not influenced by population densities
b. determined by the degree of competition for resources
c. determined by the difference between birthrate and population density
d. confined to the habitat of the population
8. Researchers have found that some alien species work together against various native species in the Pacific
Northwest. For example, alien fish from the eastern United States are helping alien bullfrogs at the expense of
native frog species. Which of the following is a way that alien fish help the alien bullfrog?
a. Alien fish eat young dragonflies that eat the larva of native bullfrogs.
b. Alien fish eat adult alien bullfrogs.
c. Alien fish eat insects that are the food source of the alien bullfrogs.
d. Alien fish eat the tadpoles of the native frogs.
9. Which of the following statements is not correct?
a. Coyotes and foxes are competitors because they feed on the same kinds of animals.
b. Symbiosis is a relationship in which two organisms live apart.
c. Mutualism is a type of symbiosis.
d. Yucca moths and yucca plants have a symbiotic relationship.
____ 10. Which of the following best describes transpiration?
a. the use of water in photosynthesis and other processes in plants
b. the uptake of water through the roots and stem to the leaves of a plant
c. the movement of water through the leaf veins into the xylem vessels of a plant
d. the loss of water as water vapor from the leaves of a plant
____ 11. Which of the following is an example of a density-independent limiting factor?
a. a parasite
b. a natural disaster
c. a food shortage
d. a decrease in prey
____ 12. What type of population growth is shown in the graph?
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a. carrying capacity growth
b. density-dependent growth
c. exponential growth
d. logistic growth
Which phrase best describes biodiversity?
a. the amount of biomass in an ecosystem
b. the number of species in an ecosystem
c. the number of individuals in an ecosystem
d. the amount of available energy in an ecosystem
Succession is possible because
a. existing plants reproduce quickly.
b. climates change over time.
c. it is a rapid and chaotic process that is very difficult to control.
d. new species make the environment less suitable for previous ones.
Unrestricted populations of organisms experience _____.
a. exponential growth
c. biotic growth
b. linear growth
d. fertility
An example of a population is
a. all plants in a forest.
c. all animals in a forest.
b. all maple trees in a forest.
d. all trees in a forest.
Acid rain changes the pH of soil, killing some trees. This is an example of _____.
a. exotic species
c. global warming problems
b. habitat degradation
d. habitat fragmentation
Which of the following is one of the main properties used to describe a population?
a. number of individuals
c. number of species
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b. color of individuals
d. kind of adaptations
The bacteria that live within the roots of a soybean plant are a critical part of the nitrogen cycle because they
a. change atmospheric nitrogen into a usable form.
b. transform nitrates into nitrogen gas for release.
c. release nitrogen by decomposing dead plant parts.
d. provide the plant with sugars needed for growth.
Where would an ecologist be least likely to go to study primary succession?
a. a locked, abandoned asphalt parking lot in New York City
b. the Amazon Rain Forest
c. a gravel-filled valley that had been covered by a glacier until recently
d. a new island formed by a volcanic eruption
Which of the following is a density-dependent limiting factor?
a. unusual weather
b. natural disaster
c. competition
d. human activities
Which of these is an example of parasitism?
a. A polar bear kills and eats a seal.
b. A leech feeds on a host's blood.
c. A squirrel stores food in a tree hole.
d. A lion defends its territory.
An ecologist who studies how several species in an area interact among each other and with the abiotic parts
of the environment is interested in the biological organization level called a(n) _____.
a. community
c. ecosystem
b. organism
d. population
In the carbon cycle, carbon dioxide is released into the atmosphere during all of the following EXCEPT
a. photosynthesis
c. combustion
b. cellular respiration
d. decomposition
For a particular species, the carrying capacity is the maximum number of individual organisms that _____.
a. could be supported by any environment over a period of one year
b. the species could reach in a given time period if all the offspring survive and reproduce
c. are in their post-reproductive years
d. could be supported by a given environment indefinitely
Secondary succession is most likely to occur
a. if a glacier shrinks.
b. after a forest fire.
c. with pioneer species.
d. on a new volcanic island.
Standard Test 3- Nine weeks Exam
Answer Section
MULTIPLE CHOICE
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A
PTS: 1
REF:
AL 9-12.BIO.14.1
TOP:
C
PTS: 1
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A
PTS: 1
DIF:
AL 9-12.BIO.14.1 | AL 9-12.BIO.14.2
978-0-618-78317-5
C
PTS: 1
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A
PTS: 1
DIF:
C4 | C5 | C6 STA: 13 | 38 | 35
C
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AL 9-12.BIO.14.2
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978-0-618-78317-5
A
PTS: 1
DIF:
C4 | C5 | F2 STA: 10 | 23 | 41
D
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Standards I and II Review
B
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REF:
AL 9-12.BIO.14.1
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Ch 14 Test - A
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PTS: 1
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Ch 13 Test - A
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D
PTS: 1
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1
A
PTS: 1
DIF:
C4 | C5 | F6 STA: 38 | 39 | 41
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PTS: 1
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1
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PTS: 1
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C4 | C5 | C6 STA: 23 | 30 | 39
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AL 9-12.BIO.14.1
TOP:
978-0-618-78317-5
B
PTS: 1
DIF:
act0976aaf18007e18b_105
14.4 Quiz
NOT: 978-0-618-78317-5
Standard II/Objective 1
Level A
REF: act0976aaf18007e18e_127
TOP: Ch 14 Test - A
Standard VI / Objective 1
B
OBJ: 2-6
Level A
REF: act0976aaf18007e18e_119
Ch 14 Test - A
B
OBJ: 4-3
Standard VI / Objective 1
1
REF: 2
Standard II/Objective 1
act0976aaf18007e18b_113
14.4 Quiz
NOT: 978-0-618-78317-5
Level A
REF: act0976aaf18007e18e_95
978-0-618-78317-5
Level A
REF: act0976aaf1800667a7_38
978-0-618-78317-5
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OBJ: 4-1
1
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OBJ: 5-2
1
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REF: act0976aaf18007e18e_103
Ch 14 Test - A
Level A
REF: act0976aaf18007e18e_54
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C4 | C5 | C6 STA: 1 | 13 | 38
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AL 9-12.BIO.14.1 | AL 9-12.BIO.14.2
978-0-618-78317-5
Ch 14 Test - A
B
OBJ: 2-2
Standard II/Objective 1
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OBJ: 4-3
act0976aaf18007e18d_105
TOP: 14.5 Quiz