Download Ch21_Clicker_Questions - Saint Leo University Faculty

Chapter 21 Clickers
Conceptual
Integrated Science
Second Edition
Ecology
© 2013 Pearson Education, Inc.
A group of individuals of a single species that lives
in a specific area is called a(n)
a)
b)
c)
d)
ecosystem.
family.
population.
community.
© 2013 Pearson Education, Inc.
A group of individuals of a single species that lives
in a specific area is called a(n)
a)
b)
c)
d)
ecosystem.
family.
population.
community.
© 2013 Pearson Education, Inc.
Which of the following would be a community-level
question in ecology?
a) Which organisms are producers on an African
plain?
b) Which males in a species of woodpecker mate with
the females?
c) How does heavy rainfall affect the survival and
reproduction of living things in Yosemite National
Park?
d) How do amphibians in the Appalachian mountains
respond to pollution?
© 2013 Pearson Education, Inc.
Which of the following would be a community-level
question in ecology?
a) Which organisms are producers on an African
plain?
b) Which males in a species of woodpecker mate with
the females?
c) How does heavy rainfall affect the survival and
reproduction of living things in Yosemite National
Park?
d) How do amphibians in the Appalachian mountains
respond to pollution?
© 2013 Pearson Education, Inc.
Which of the following situations is most likely to
result in exponential growth?
a) Introduction of a small population of trout to a lake
without predators or competitors
b) Overstocking trout in a lake
c) Disease spreading through a population of trout
d) Introduction of trout into a lake with many predators
© 2013 Pearson Education, Inc.
Which of the following situations is most likely to
result in exponential growth?
a) Introduction of a small population of trout to a
lake without predators or competitors
b) Overstocking trout in a lake
c) Disease spreading through a population of trout
d) Introduction of trout into a lake with many predators
© 2013 Pearson Education, Inc.
What is carrying capacity?
a) The ideal number of individuals or population
density in a habitat
b) The usual number of individuals or population
density the habitat supports
c) The minimum number of individuals or population
density the habitat can support
d) The maximum number of individuals or population
density the habitat can support
© 2013 Pearson Education, Inc.
What is carrying capacity?
a) The ideal number of individuals or population
density in a habitat
b) The usual number of individuals or population
density the habitat supports
c) The minimum number of individuals or population
density the habitat can support
d) The maximum number of individuals or
population density the habitat can support
© 2013 Pearson Education, Inc.
A blue whale is an example of
a)
b)
c)
d)
a species with Type I survivorship.
a species with Type II survivorship.
a species with Type III survivorship.
a species that can vary its life history strategy
based on environmental conditions.
© 2013 Pearson Education, Inc.
A blue whale is an example of
a) a species with Type I
survivorship.
b) a species with Type II
survivorship.
c) a species with Type III
survivorship.
d) a species that can vary
its life history strategy
based on environmental
conditions.
© 2013 Pearson Education, Inc.
In the 21st Century, human population size is
expected
a) to begin a slow decline.
b) to grow more and more quickly.
c) to continue to grow, but more slowly than in the
past.
d) to crash.
© 2013 Pearson Education, Inc.
In the 21st Century, human population size is
expected
a) to begin a slow decline.
b) to grow more and more quickly.
c) to continue to grow, but more slowly than in the
past.
d) to crash.
© 2013 Pearson Education, Inc.
During a demographic transition,
a)
b)
c)
d)
death rates decline first, followed by birth rates.
birth rates decline first, followed by death rates.
birth rates decline, but death rates stay the same.
death rates and birth rates decline simultaneously.
© 2013 Pearson Education, Inc.
During a demographic transition,
a)
b)
c)
d)
death rates decline first, followed by birth rates.
birth rates decline first, followed by death rates.
birth rates decline, but death rates stay the same.
death rates and birth rates decline simultaneously.
© 2013 Pearson Education, Inc.
What role do hummingbirds play in a food chain?
(Hint: They eat nectar made by plants.)
a)
b)
c)
d)
Producers
Primary consumers
Secondary consumers
Decomposers
© 2013 Pearson Education, Inc.
What role do hummingbirds play in a food chain?
(Hint: They eat nectar made by plants.)
a)
b)
c)
d)
Producers
Primary consumers
Secondary consumers
Decomposers
© 2013 Pearson Education, Inc.
What form of symbiosis benefits one species of an
interaction while having no effect on the other?
a)
b)
c)
d)
Mutualism
Parasitism
Symbiosis
Commensalism
© 2013 Pearson Education, Inc.
What form of symbiosis benefits one species of an
interaction while having no effect on the other?
a)
b)
c)
d)
Mutualism
Parasitism
Symbiosis
Commensalism
Explanation:
Commensalism is a form of symbiosis that benefits
one species of an interaction while having no effect on
the other. Mutualism benefits both species. Parasitism
benefits one species at the expense of the other.
© 2013 Pearson Education, Inc.
Which biome is warm, moderately dry, grassy, and
tropical?
a)
b)
c)
d)
Tundra
Coniferous forest
Chaparral
Savanna
© 2013 Pearson Education, Inc.
Which biome is warm, moderately dry, grassy, and
tropical?
a)
b)
c)
d)
Tundra
Coniferous forest
Chaparral
Savanna
© 2013 Pearson Education, Inc.
Which of the following describes a habitat where a
river joins an ocean?
a)
b)
c)
d)
Intertidal zone
Estuary
Coral reef
Benthic zone
© 2013 Pearson Education, Inc.
Which of the following describes a habitat where a
river joins an ocean?
a)
b)
c)
d)
Intertidal zone
Estuary
Coral reef
Benthic zone
© 2013 Pearson Education, Inc.
Which of the following biogeochemical cycles
relies on bacteria to convert an element to usable
form?
a)
b)
c)
d)
Nitrogen cycle
Water cycle
Carbon cycle
Phosphorous cycle
© 2013 Pearson Education, Inc.
Which of the following biogeochemical cycles
relies on bacteria to convert an element to usable
form?
a)
b)
c)
d)
Nitrogen cycle
Water cycle
Carbon cycle
Phosphorous cycle
Explanation:
In order for living organisms to make use of nitrogen, it
has to be converted into usable form. Living organisms
rely on bacteria to accomplish this transformation.
© 2013 Pearson Education, Inc.
True or false?: The amount of organic matter in an
ecosystem is its primary productivity.
a) True
b) False
© 2013 Pearson Education, Inc.
True or false?: The amount of organic matter in an
ecosystem is its primary productivity.
a) True
b) False
Explanation:
The amount of organic matter in an ecosystem is its
biomass.
© 2013 Pearson Education, Inc.
In an energy pyramid, there is less energy at the
top of the pyramid because
a) not all the organisms at one level of the food chain
are eaten by organisms at the next level of the food
chain.
b) energy is lost to the environment as heat as
organisms go about their activities.
c) some energy is lost in feces.
d) all of the above.
© 2013 Pearson Education, Inc.
In an energy pyramid, there is less energy at the
top of the pyramid because
a) not all the organisms at one level of the food chain
are eaten by organisms at the next level of the food
chain.
b) energy is lost to the environment as heat as
organisms go about their activities.
c) some energy is lost in feces.
d) all of the above.
© 2013 Pearson Education, Inc.
Every chemical reaction involves
a)
b)
c)
d)
maintaining body systems.
losing energy to the environment.
the destruction of a small amount of matter.
all of the above.
© 2013 Pearson Education, Inc.
Every chemical reaction involves
a)
b)
c)
d)
maintaining body systems.
losing energy to the environment.
the destruction of a small amount of matter.
all of the above.
© 2013 Pearson Education, Inc.
Which species can survive with few nutrients and
little existing organic matter?
a)
b)
c)
d)
Climax community species
Pioneer species
Native species
None of the above
© 2013 Pearson Education, Inc.
Which species can survive with few nutrients and
little existing organic matter?
a)
b)
c)
d)
Climax community species
Pioneer species
Native species
None of the above
© 2013 Pearson Education, Inc.
According to the intermediate disturbance
hypothesis,
a) regular disturbances limit biodiversity by destroying
habitat.
b) regular disturbances encourage the invasion of
nonnative species.
c) regular disturbances, if not too extreme, actually
contribute to biodiversity.
d) all of the above.
© 2013 Pearson Education, Inc.
According to the intermediate disturbance
hypothesis,
a) regular disturbances limit biodiversity by destroying
habitat.
b) regular disturbances encourage the invasion of
nonnative species.
c) regular disturbances, if not too extreme,
actually contribute to biodiversity.
d) all of the above.
© 2013 Pearson Education, Inc.