Download 1 Chapter 6 Multiple Choice Questions Name: 1 1) 1 Zebra mussels

Chapter 6 Multiple Choice Questions
Name: ____________________________________________________________
1) Zebra mussels ________.
A) are native to Canada
B) were introduced into the United States in the early 1900s
C) are presently restricted to the Great Lakes and Hudson River, but they are expected to
spread rapidly in the near future
D) are clogging up water intake pipes at factories, power plants, and wastewater
treatment facilities
E) excrete waste that facilitates algae blooms and subsequent eutrophication of lakes
Diff: 1
Objective: 6.5 Invasive species
2) Individuals of a single species fighting over access to a limiting resource is one example of
________.
A) resource partitioning
B) competitive exclusion
C) symbiosis
D) interspecific competition
E) intraspecific competition
Diff: 2
Objective: 6.1 Species interactions
3) Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70%
since the arrival of zebra mussels because ________.
A) zebra mussels prey on zooplankton
B) zebra mussels carry a parasite that kills zooplankton
C) zebra mussels feed on cyanobacteria, which zooplankton need as a food source
D) zebra mussels block sunlight penetration into lakes and thus prevent zooplankton from
photosynthesizing
E) waste from zebra mussels promotes bacterial growth that kills zooplankton
Diff: 3
Objective: 6.1 Species interactions
4) By definition, parasites ________ their host.
A) kill
B) are much smaller than
C) feed on and harm
D) cannot live independently of
E) never kill
Diff: 2
Objective: 6.1 Species interactions
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5) Orchids require tree limbs for support but do not harm the trees. This demonstrates
________.
A) facilitation
B) commensalism
C) amensalism
D) mutualism
E) allelopathy
Diff: 3
Objective: 6.1 Species interactions
6) ________ capture solar energy and use photosynthesis to produce sugars.
A) Producers
B) Primary consumers
C) Secondary consumers
D) Detritivores
E) Heterotrophs
Diff: 1
Objective: 6.2 Feeding relationships and energy flow
7) Grazing animals such as deer are ________.
A) producers
B) primary consumers
C) secondary consumers
D) detritivores
E) decomposers
Diff: 1
Objective: 6.2 Feeding relationships and energy flow
8) Zooplankton-eating fish are ________.
A) producers
B) primary consumers
C) secondary consumers
D) detritivores
E) herbivores
Diff: 3
Objective: 6.2 Feeding relationships and energy flow
9) Which of the following is true about top predators?
A) They are likely to be keystone species.
B) They are likely to be herbivores.
C) They are likely to be producers.
D) They include bacteria and fungi.
E) Their removal increases biodiversity.
Diff: 1
Objective: 6.3 Keystone species
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10) Secondary succession ________.
A) requires primary succession to precede it
B) occurs after a volcano spreads lava across a landscape
C) occurs after a fire or flood
D) typically begins with lichen colonizing rock
E) is very predictable because it always ends in the formation of a climax community
Diff: 3
Objective: 6.4 Succession
11) ________ argued that communities are temporary associations of individual species that can
reassemble themselves into different combinations.
A) David Strayer
B) Robert Costanza
C) Charles Darwin
D) Frederick Clements
E) Henry Gleason
Diff: 2
Objective: 6.4 Succession
12) Which terrestrial biome has the most biodiversity?
A) temperate deciduous forest
B) prairie
C) tropical rainforest
D) temperate rainforest
E) boreal forest
Diff: 1
Objective: 6.7 Biomes
13) Desert and tundra both ________.
A) have lithosols
B) have wide temperature variations throughout the year
C) lack many insects
D) have relatively low precipitation
E) lack shrubs
Diff: 3
Objective: 6.7 Biomes
14) Taiga and tundra both ________.
A) lack trees
B) have low temperatures throughout the year
C) lack many birds
D) have many burrowing rodents
E) are found in the United States
Diff: 3
Objective: 6.7 Biomes
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15) The statement, "hiking up a mountain in the southwestern United States is like walking from
Mexico to Canada," is meant to demonstrate that ________ change(s) rapidly as you change
altitude and latitude.
A) biomes
B) oxygen levels
C) carbon dioxide levels
D) levels of industrial air pollutants
E) human population density
Diff: 2
Objective: 6.7 Biomes
16) ________ are typical primary consumers in a temperature deciduous forest.
A) Snakes
B) Deer
C) Shelf fungi
D) Bison
E) Wolves
Diff: 3
Objective: 6.7 Biomes
17) A climax community always ________.
A) results after succession proceeds
B) remains in place until a disturbance restarts succession
C) describes terrestrial biomes
D) describes aquatic biomes
E) returns to its original state
Diff: 2
Objective: 6.4 Succession
18) Herbivory is a type of ________.
A) competition
B) mutualism
C) neutralism
D) ecological restoration
E) predation
Diff: 2
Objective: 6.1 Species interactions
19) Benthic organisms in the Great Lakes ________.
A) live near the water's surface
B) are harmed by the presence of zebra mussels
C) benefit from the presence of zebra mussels
D) include phytoplankton
E) include zebra mussels
Diff: 3
Objective: 6.5 Invasive species
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20) Microbes in our digestive tract that help us digest food demonstrate a(n) ________
association.
A) allelopathic
B) homeopathic
C) trophic
D) symbiotic
E) benthic
Diff: 1
Objective: 6.1 Species interactions
21) Which of the following are pioneer species?
A) lichens
B) wolves and mountain lions
C) beavers
D) aspen trees
E) zebra mussels
Diff: 1
Objective: 6.4 Succession
22) Techniques to eradicate zebra mussels ________.
A) are global and long lived
B) are relatively inexpensive
C) are relatively simple
D) have not yet been attempted
E) include introducing predators and diseases
Diff: 1
Objective: 6.5 Invasive species
23) Efforts at urban restoration ________.
A) have failed in San Francisco
B) mostly have been attempted in developing nations
C) are very inexpensive
D) intend to undo damage done to communities due to urban development
E) are not viable conservation strategies for the future
Diff: 1
Objective: 6.6 Ecological restoration
24) Kelp ________.
A) is eaten by sea otters
B) is eaten by orcas
C) suffers intense herbivory from zebra mussels
D) suffers intense herbivory from sea urchins
E) is inhabited by sea urchins
Diff: 2
Objective: 6.3 Keystone species
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25) Environmentally and economically acceptable means of controlling introduced invasive
species include ________.
A) public education, introduction of suitable predators, examination of imported goods
B) application of potent pesticides that kill the introduced species
C) banning of all importation of non-native species with heavy fines for non-compliance
D) removal of all the invasive individuals by collecting, baiting, trapping and, for plants,
prescribed burning
E) killing off pollinators for invasive plants, food sources for invasive animals
Diff: 2
Objective: 6.5 Invasive species
26) Global climate change may produce major shifts in biomes for any given location because
________.
A) biodiversity and daylength will change
B) mean temperature, precipitation and salinity will change
C) many species may become extinct
D) food web dynamics will change
E) soil chemistry, pH of precipitation and the frequency of invasive species will change
Diff: 2
Objective: 6.7 Biomes
27) The Everglades Restoration Plan in Florida ________.
A) seeks to exterminate numerous invasive fish species and plants
B) will restore restore natural levels of water flow by undoing numerous damming and
drainage projects
C) will result in serious depletion of drinking water supplies for humans in south Florida
D) will probably destroy much of the commercial fishing in the area
E) is a short-term restoration project with a two-year implementation plan
Diff: 2
Objective: 6.6 Ecological restoration
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