Download 1. Which of the following is an example of an abiotic factor? A. the

5
Student: ___________________________________________________________________________
1.
Which of the following is an example of an abiotic factor?
A.
B.
C.
D.
2.
Natural selection is the process that determines
A.
B.
C.
D.
3.
multi-genetics.
polyploidy.
diploid.
haploid.
Extinction of organisms is
A.
B.
C.
D.
7.
developing the concept of sexual dimorphism.
developing the concept of natural selection.
developing the concept of genetic concept.
All of these are correct.
Among plants, a condition that results in the number of sets of chromosomes in cells to increase, is called
A.
B.
C.
D.
6.
social Darwinism.
biogeochemical cycles.
organic farming.
evolution.
Charles Darwin is generally credited with
A.
B.
C.
D.
5.
who an individual mates with.
which scientist publishes their experiments.
which individuals within a species will reproduce and pass their genes to the next generation.
how active an animal is at night.
The development of herbicide resistance in populations of weeds over several generations is an example of
A.
B.
C.
D.
4.
the number of individuals of a particular species living in a community
the interactions between different species in a community
the diversity of prey and predator species in a community
the climate of the community in which the species mentioned above inhabit
very unusual.
uncommon.
not occurring today.
a common event.
Ecologists distinguish two different kinds of competition. One is
A.
B.
C.
D.
intraspecific.
interspecific.
ultraspecific.
Both intraspecific and interspecific are correct.
8.
This concept states that no two species can occupy the same ecological niche in the same place and the
same time.
A.
B.
C.
D.
9.
Natural Selection
Genetic Drift
Competitive Exclusion Principle
Niche Exclusion
Two organisms that interbreed and produce fertile offspring are said to be individuals of the same
A.
B.
C.
D.
community.
niche.
habitat.
species.
10. When a population becomes isolated from another over a long period of time
A.
B.
C.
D.
gene exchange is likely to occur.
speciation will not occur.
speciation is likely to occur.
extinction is likely to occur.
11. Ecologists have traditionally categorized the roles of organisms in ecosystems into three broad categories
that include
A.
B.
C.
D.
producers.
consumers.
decomposers.
All of these are correct.
12. The use of fertilizers in agriculture has significantly altered several nutrient cycles including
A.
B.
C.
D.
nitrogen.
phosphorus.
potassium.
All of these are correct.
13. The chief limiting factor to the success of most trout species is
A.
B.
C.
D.
the ability to reproduce.
the dissolved oxygen content in water.
the amount of plant biomass.
All of these are correct.
14. What is the term used to describe food chains which overlap and intersect?
A.
B.
C.
D.
food web
detrital food chain
natural selection
range of tolerance
15. The small amount of dissolved oxygen found in warm water is considered a _______ to the success of
many fish species.
A.
B.
C.
D.
biotic factor
limiting factor
niche
None of these are correct.
16. Grazing animals and the grasses they eat have both evolved in response to each other's influence. This
process is known as
A.
B.
C.
D.
coevolution.
extinction.
competitive exclusion principle.
interspecific competition.
17. Which of the following organisms is a primary producer?
A.
B.
C.
D.
fungi
grasshoppers
grass
bacteria
18. Which of the following organisms is a secondary consumer?
A.
B.
C.
D.
wolf
elk
mouse
bacteria
19. Which of the following is NOT a decomposer?
A.
B.
C.
D.
fungi
bacteria
moss
None of these are correct.
20. In a mutualistic relationship
A.
B.
C.
D.
one organism benefits while the other is unaffected.
both species benefit.
one species benefits while the other is harmed.
endoparasites outnumber ectoparasites.
21. Each step in the flow of energy through an ecosystem is known as a
A.
B.
C.
D.
food chain.
trophic level.
plateau of consumption.
food web.
22. The relationship between frogs and insects is an example of
A.
B.
C.
D.
intraspecific competition.
coevolution.
a predator-prey relationship.
competitive exclusion.
23. Biting insects that transmit parasites are known as
A.
B.
C.
D.
vectors.
endoparasites.
keystone species.
None of these are correct.
24. Tapeworms living inside the intestines of their host are an example of what type of relationship?
A.
B.
C.
D.
symbiosis
commensalisms
ectoparasitism
endoparasitism
25. Which of the following elements is a limiting factor to plants in naturally occurring soil?
A.
B.
C.
D.
nitrogen
phosphorous
oxygen
carbon
26. What kind of plant has nitrogen-fixing bacteria living in their roots?
A.
B.
C.
D.
deciduous trees
mosses
legumes
ferns
27. Phosphorous is released from rocks by which process?
A.
B.
C.
D.
bacterial decomposition
weathering and erosion
photosynthesis
All of these are correct.
28. Carbon enters the carbon cycle in the form of
A.
B.
C.
D.
lipids formed in photosynthesis.
carbonate in rock.
atmospheric carbon dioxide.
decomposition of organic material.
29. Which of the following is an example of a keystone species?
A.
B.
C.
D.
bison
sea kelp
wolves
None of these are correct.
30. Which of the following is an example of a detrital food chain?
A.
B.
C.
D.
a coniferous forest
sewage treatment plan
open lake
salt marsh
31. Polyploidy is an evolutionary mechanism that may result in
A.
B.
C.
D.
new plant species.
a surge in birth rates in mammals.
the baldness trait becoming dominant in men.
death if recessive.
32. Another name for nutrient cycles in ecosystems is
A.
B.
C.
D.
biogeochemical cycle.
menstrual cycle.
hydrogen cycle.
diurnal cycle.
33. This meat eater often gets meat from animals that have died by accident or illness, or were killed by other
animals.
A.
B.
C.
D.
scavenger
omnivore
carnivore
parasite
34. The introduction of which organism is correlated with a major disruption to the food web of the Great
Lakes?
A.
B.
C.
D.
diatoms
whitefish
zebra mussels
Diporeia.
Which of the following best matches the description?
35. Series of stages in the flow of nitrogen in ecosystems.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
36. Stage in the flow of energy in an ecosystem.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
37. Animal that eats plants.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
38. An organism that can manufacture its own food from inorganic substances.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
39. A region in which an organism lives.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
40. The flow of carbon from the atmosphere to living organisms and back again.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
41. Bacteria that convert nitrogen compounds in the soil into nitrogen gas.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
42. Competition between members of different species.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
43. An organism that eats both plants and animals.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
44. Competition between members of the same species.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
45. Interacting groups of different species in a given area.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
46. Accumulation of organic material produced by living things.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
47. Bacteria that convert atmospheric nitrogen gas into usable plant forms.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
48. Parasite that lives on the outside of its host.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
49. One primary environmental condition that determines the success of an organism.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
50. Phosphate mining on the island of Nauru has contributed to a sequence of changes in the island ecosystem
that ultimately reduced the life expectancy of islanders.
True
False
51. Genetic variation among individuals of the same species enables some of these individuals to have a greater
chance of obtaining resources and therefore, producing more offspring.
True
False
52. Genes are distinct pieces of DNA that determine the characteristics an individual displays.
True
False
53. Everything that affects an organism during its lifetime is known as ecology.
True
False
54. The carbon cycle is an example of how materials are cycled through ecosystems.
True
False
55. The biotic component of an organism's environment is the non-living or physical factors.
True
False
56. Competition between foxes and hawks for the use of mice and rabbits as food is called intraspecific
competition.
True
False
57. About 20 percent of the energy passing from one trophic level to the next is lost.
True
False
58. Symbiotic relationships are those in which organisms live in physical contact with one another.
True
False
59. Commensal organisms live on another organism and harm the host in the process.
True
False
60. The niche of an organism is the result of many years of natural selection.
True
False
61. At the highest trophic level, there is less energy and fewer organisms than at the lower levels.
True
False
62. Competition between members of the same species is known as intraspecific competition.
True
False
63. The production of a new species from a previous species is known as mutualism.
True
False
64. Populations are all organisms of a specific kind that live within a specific geographic region
True
False
65. In 2001 the IPCC report concluded that increased CO2 from human activity is contributing to climate
change.
True
False
66. If a species becomes isolated from another for a long time as a result of a barrier, speciation will not occur.
True
False
67. Producers are organisms that are able to use sources of energy to make complex, organic molecules from
simple inorganic substances in their environment.
True
False
68. Consumers are organisms that require no organic matter as a source of food.
True
False
69. A food chain is a series of organism occupying different trophic levels through which energy passes.
True
False
70. Detritus are small bits of non-living organic material.
True
False
71. About 50% of photosynthesis activity takes place in fresh water.
True
False
72. During the carbon cycle, the same carbon atoms are used over and over again.
True
False
73. The source of nitrogen in the nitrogen cycle is found in rocks.
True
False
74. The source of phosphate in the phosphorous cycle is the atmosphere.
True
False
75. In 2002 Iowa became the first state to regulate the use of phosphorus in lawn fertilizer.
True
False
76. Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large
plants such as trees.
True
False
77. Charles Darwin developed the idea of natural selection without understanding the gene concept.
True
False
78. A species that has a narrow range of tolerance to heat, such as a polar bear, should be able to adapt easily to
changes in its habitat that occur with global warming.
True
False
5 Key
1.
Which of the following is an example of an abiotic factor?
A.
B.
C.
D.
the number of individuals of a particular species living in a community
the interactions between different species in a community
the diversity of prey and predator species in a community
the climate of the community in which the species mentioned above inhabit
Enger - Chapter 05 #1
2.
Natural selection is the process that determines
A.
B.
C.
D.
who an individual mates with.
which scientist publishes their experiments.
which individuals within a species will reproduce and pass their genes to the next generation.
how active an animal is at night.
Enger - Chapter 05 #2
3.
The development of herbicide resistance in populations of weeds over several generations is an example
of
A.
B.
C.
D.
social Darwinism.
biogeochemical cycles.
organic farming.
evolution.
Enger - Chapter 05 #3
4.
Charles Darwin is generally credited with
A.
B.
C.
D.
developing the concept of sexual dimorphism.
developing the concept of natural selection.
developing the concept of genetic concept.
All of these are correct.
Enger - Chapter 05 #4
5.
Among plants, a condition that results in the number of sets of chromosomes in cells to increase, is
called
A.
B.
C.
D.
multi-genetics.
polyploidy.
diploid.
haploid.
Enger - Chapter 05 #5
6.
Extinction of organisms is
A.
B.
C.
D.
very unusual.
uncommon.
not occurring today.
a common event.
Enger - Chapter 05 #6
7.
Ecologists distinguish two different kinds of competition. One is
A.
B.
C.
D.
intraspecific.
interspecific.
ultraspecific.
Both intraspecific and interspecific are correct.
Enger - Chapter 05 #7
8.
This concept states that no two species can occupy the same ecological niche in the same place and the
same time.
A.
B.
C.
D.
Natural Selection
Genetic Drift
Competitive Exclusion Principle
Niche Exclusion
Enger - Chapter 05 #8
9.
Two organisms that interbreed and produce fertile offspring are said to be individuals of the same
A.
B.
C.
D.
community.
niche.
habitat.
species.
Enger - Chapter 05 #9
10.
When a population becomes isolated from another over a long period of time
A.
B.
C.
D.
gene exchange is likely to occur.
speciation will not occur.
speciation is likely to occur.
extinction is likely to occur.
Enger - Chapter 05 #10
11.
Ecologists have traditionally categorized the roles of organisms in ecosystems into three broad
categories that include
A.
B.
C.
D.
producers.
consumers.
decomposers.
All of these are correct.
Enger - Chapter 05 #11
12.
The use of fertilizers in agriculture has significantly altered several nutrient cycles including
A.
B.
C.
D.
nitrogen.
phosphorus.
potassium.
All of these are correct.
Enger - Chapter 05 #12
13.
The chief limiting factor to the success of most trout species is
A.
B.
C.
D.
the ability to reproduce.
the dissolved oxygen content in water.
the amount of plant biomass.
All of these are correct.
Enger - Chapter 05 #13
14.
What is the term used to describe food chains which overlap and intersect?
A.
B.
C.
D.
food web
detrital food chain
natural selection
range of tolerance
Enger - Chapter 05 #14
15.
The small amount of dissolved oxygen found in warm water is considered a _______ to the success of
many fish species.
A.
B.
C.
D.
biotic factor
limiting factor
niche
None of these are correct.
Enger - Chapter 05 #15
16.
Grazing animals and the grasses they eat have both evolved in response to each other's influence. This
process is known as
A.
B.
C.
D.
coevolution.
extinction.
competitive exclusion principle.
interspecific competition.
Enger - Chapter 05 #16
17.
Which of the following organisms is a primary producer?
A.
B.
C.
D.
fungi
grasshoppers
grass
bacteria
Enger - Chapter 05 #17
18.
Which of the following organisms is a secondary consumer?
A.
B.
C.
D.
wolf
elk
mouse
bacteria
Enger - Chapter 05 #18
19.
Which of the following is NOT a decomposer?
A.
B.
C.
D.
fungi
bacteria
moss
None of these are correct.
Enger - Chapter 05 #19
20.
In a mutualistic relationship
A.
B.
C.
D.
one organism benefits while the other is unaffected.
both species benefit.
one species benefits while the other is harmed.
endoparasites outnumber ectoparasites.
Enger - Chapter 05 #20
21.
Each step in the flow of energy through an ecosystem is known as a
A.
B.
C.
D.
food chain.
trophic level.
plateau of consumption.
food web.
Enger - Chapter 05 #21
22.
The relationship between frogs and insects is an example of
A.
B.
C.
D.
intraspecific competition.
coevolution.
a predator-prey relationship.
competitive exclusion.
Enger - Chapter 05 #22
23.
Biting insects that transmit parasites are known as
A.
B.
C.
D.
vectors.
endoparasites.
keystone species.
None of these are correct.
Enger - Chapter 05 #23
24.
Tapeworms living inside the intestines of their host are an example of what type of relationship?
A.
B.
C.
D.
symbiosis
commensalisms
ectoparasitism
endoparasitism
Enger - Chapter 05 #24
25.
Which of the following elements is a limiting factor to plants in naturally occurring soil?
A.
B.
C.
D.
nitrogen
phosphorous
oxygen
carbon
Enger - Chapter 05 #25
26.
What kind of plant has nitrogen-fixing bacteria living in their roots?
A.
B.
C.
D.
deciduous trees
mosses
legumes
ferns
Enger - Chapter 05 #26
27.
Phosphorous is released from rocks by which process?
A.
B.
C.
D.
bacterial decomposition
weathering and erosion
photosynthesis
All of these are correct.
Enger - Chapter 05 #27
28.
Carbon enters the carbon cycle in the form of
A.
B.
C.
D.
lipids formed in photosynthesis.
carbonate in rock.
atmospheric carbon dioxide.
decomposition of organic material.
Enger - Chapter 05 #28
29.
Which of the following is an example of a keystone species?
A.
B.
C.
D.
bison
sea kelp
wolves
None of these are correct.
Enger - Chapter 05 #29
30.
Which of the following is an example of a detrital food chain?
A.
B.
C.
D.
a coniferous forest
sewage treatment plan
open lake
salt marsh
Enger - Chapter 05 #30
31.
Polyploidy is an evolutionary mechanism that may result in
A.
B.
C.
D.
new plant species.
a surge in birth rates in mammals.
the baldness trait becoming dominant in men.
death if recessive.
Enger - Chapter 05 #31
32.
Another name for nutrient cycles in ecosystems is
A.
B.
C.
D.
biogeochemical cycle.
menstrual cycle.
hydrogen cycle.
diurnal cycle.
Enger - Chapter 05 #32
33.
This meat eater often gets meat from animals that have died by accident or illness, or were killed by
other animals.
A.
B.
C.
D.
scavenger
omnivore
carnivore
parasite
Enger - Chapter 05 #33
34.
The introduction of which organism is correlated with a major disruption to the food web of the Great
Lakes?
A.
B.
C.
D.
diatoms
whitefish
zebra mussels
Diporeia.
Enger - Chapter 05 #34
Which of the following best matches the description?
Enger - Chapter 05
35.
Series of stages in the flow of nitrogen in ecosystems.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #35
36.
Stage in the flow of energy in an ecosystem.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #36
37.
Animal that eats plants.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #37
38.
An organism that can manufacture its own food from inorganic substances.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #38
39.
A region in which an organism lives.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #39
40.
The flow of carbon from the atmosphere to living organisms and back again.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #40
41.
Bacteria that convert nitrogen compounds in the soil into nitrogen gas.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #41
42.
Competition between members of different species.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #42
43.
An organism that eats both plants and animals.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #43
44.
Competition between members of the same species.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #44
45.
Interacting groups of different species in a given area.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #45
46.
Accumulation of organic material produced by living things.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #46
47.
Bacteria that convert atmospheric nitrogen gas into usable plant forms.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #47
48.
Parasite that lives on the outside of its host.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #48
49.
One primary environmental condition that determines the success of an organism.
A. denitrifying bacteria
B. herbivore
C. omnivore
D. producer
E. trophic level
F. community
G. ectoparasite
H. limiting factor
I. secondary consumer
J. nitrogen cycle
K. biomass
L. habitat
M. carbon cycle
N. interspecific competition
O. nitrogen-fixing bacteria
P. intraspecific competition
Enger - Chapter 05 #49
50.
Phosphate mining on the island of Nauru has contributed to a sequence of changes in the island
ecosystem that ultimately reduced the life expectancy of islanders.
TRUE
Enger - Chapter 05 #50
51.
Genetic variation among individuals of the same species enables some of these individuals to have a
greater chance of obtaining resources and therefore, producing more offspring.
TRUE
Enger - Chapter 05 #51
52.
Genes are distinct pieces of DNA that determine the characteristics an individual displays.
TRUE
Enger - Chapter 05 #52
53.
Everything that affects an organism during its lifetime is known as ecology.
FALSE
Enger - Chapter 05 #53
54.
The carbon cycle is an example of how materials are cycled through ecosystems.
TRUE
Enger - Chapter 05 #54
55.
The biotic component of an organism's environment is the non-living or physical factors.
FALSE
Enger - Chapter 05 #55
56.
Competition between foxes and hawks for the use of mice and rabbits as food is called intraspecific
competition.
FALSE
Enger - Chapter 05 #56
57.
About 20 percent of the energy passing from one trophic level to the next is lost.
FALSE
Enger - Chapter 05 #57
58.
Symbiotic relationships are those in which organisms live in physical contact with one another.
TRUE
Enger - Chapter 05 #58
59.
Commensal organisms live on another organism and harm the host in the process.
FALSE
Enger - Chapter 05 #59
60.
The niche of an organism is the result of many years of natural selection.
TRUE
Enger - Chapter 05 #60
61.
At the highest trophic level, there is less energy and fewer organisms than at the lower levels.
TRUE
Enger - Chapter 05 #61
62.
Competition between members of the same species is known as intraspecific competition.
TRUE
Enger - Chapter 05 #62
63.
The production of a new species from a previous species is known as mutualism.
FALSE
Enger - Chapter 05 #63
64.
Populations are all organisms of a specific kind that live within a specific geographic region
TRUE
Enger - Chapter 05 #64
65.
In 2001 the IPCC report concluded that increased CO2 from human activity is contributing to climate
change.
TRUE
Enger - Chapter 05 #65
66.
If a species becomes isolated from another for a long time as a result of a barrier, speciation will not
occur.
FALSE
Enger - Chapter 05 #66
67.
Producers are organisms that are able to use sources of energy to make complex, organic molecules
from simple inorganic substances in their environment.
TRUE
Enger - Chapter 05 #67
68.
Consumers are organisms that require no organic matter as a source of food.
FALSE
Enger - Chapter 05 #68
69.
A food chain is a series of organism occupying different trophic levels through which energy passes.
TRUE
Enger - Chapter 05 #69
70.
Detritus are small bits of non-living organic material.
TRUE
Enger - Chapter 05 #70
71.
About 50% of photosynthesis activity takes place in fresh water.
FALSE
Enger - Chapter 05 #71
72.
During the carbon cycle, the same carbon atoms are used over and over again.
TRUE
Enger - Chapter 05 #72
73.
The source of nitrogen in the nitrogen cycle is found in rocks.
FALSE
Enger - Chapter 05 #73
74.
The source of phosphate in the phosphorous cycle is the atmosphere.
FALSE
Enger - Chapter 05 #74
75.
In 2002 Iowa became the first state to regulate the use of phosphorus in lawn fertilizer.
FALSE
Enger - Chapter 05 #75
76.
Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and
large plants such as trees.
TRUE
Enger - Chapter 05 #76
77.
Charles Darwin developed the idea of natural selection without understanding the gene concept.
TRUE
Enger - Chapter 05 #77
78.
A species that has a narrow range of tolerance to heat, such as a polar bear, should be able to adapt
easily to changes in its habitat that occur with global warming.
FALSE
Enger - Chapter 05 #78
5 Summary
Category
Enger - Chapter 05
# of
Questions
79