ENVIRONMENTAL SCIENCE CHAPTER 6
AND 7 EXAMS- WITH 100% ACCURATE
SOLUTIONS -2024-2025
Which one of the following least represents ecosystem capital?
A) introduced species that change environments
B) natural populations of salmon in the oceans
C) oil and natural gas reserves buried underground
D) prairies and forests that reduce erosion
A
The best way to sustainably manage natural environments is to
A) carefully limit the growth of the major carnivores and herbivores in the ecosystem.
B) stop hunting animals and harvesting the fruits of the plants in the ecosystem.
C) minimize the impact of natural disasters, such as fires and storms.
D) maintain the interactions between the members of the ecosystem.
D
Ecosystem sustainability primarily results from the
A) number of predators found in the ecosystem.
B) total amount of biomass that exists in an ecosystem.
C) relationships between the organisms in an ecosystem.
D) frequency of fires or other natural disasters in an ecosystem.
C
The structure and maintenance of all ecosystems results from the
A) types of plants in that ecosystem.
B) bacteria, fungi and sols in that ecosystem.
,C) the totality of organisms in that ecosystem.
D) types of animals in that ecosystem.
C
Which of the following best represents a loss of biological wealth?
A) people fishing for catfish in a lake
B) a naturally occurring fire in a forest
C) the extinction of several beetle species
D) mining coal from deep underground mines
C
Which of the following concepts are most closely associated to each other?
A) biological wealth and introduced species
B) anthropocentric values and extinction
C) intrinsic value and anthropocentric value
D) biological wealth and biodiversity
D
Species are most likely to be conserved by humans if they have
A) instrumental value.
B) aesthetic value.
C) institutional value.
D) intrinsic value.
A
Over the past 12,000 years, the greatest loss of biological wealth has resulted from the
A) extraction of oil and mineral from reserves buried deeply underground.
B) conversion of natural ecosystems to modern agriculture.
C) use of deep aquifers, lakes, and rivers as sources of freshwater.
D) movement of human products down rivers and across oceans.
B
Someone who argues that every species has a right to exist, undisturbed, on this planet is arguing for
the
A) economic value of life.
B) finite value of life.
C) intrinsic value of life.
D) institutional value of life.
, C
Wild plants often have greater resistance to parasites than domesticated plants because the wild
plants experience
A) artificial selection, while domesticated plants experience natural selection.
B) artificial selection, while domesticated plants do not experience any selection.
C) natural selection, while domesticated plants experience artificial selection. D) natural selection,
while domesticated plants do not experience any selection.
C
Plants that can best resist a variety of environmental challenges are most likely
A) domesticated plants with little genetic variation.
B) wild plants with high degrees of variation.
C) cultivars with little genetic variation.
D) wild plants with low degrees of variation.
B
When cultivars require adaptations not currently in their genetics, plant breeders
A) often introduce traits found in wild varieties of the plant.
B) use fertilizers to change the chemistry of the crops.
C) may treat the seeds with chemicals that cause mutations, to try to generate new forms.
D) may try to introduce genetic traits found in pests of the crops.
A
The greatest potential for developing new types of agricultural crops depends upon
A) thousands of plant species that occur only in the wild.
B) our ability to identify and culture new types of animal pollinators.
C) grafting together different plants into one new type of plant, such as a plant with tomatoes and
sweet potato roots.
D) bioengineering new combinations of wheat and rice.
A
The main instrumental value of biological diversity is the
A) ability of organisms to adapt to fluctuations in their natural environments.
B) joy that humans gain from their beauty in nature.
C) the potential for new types of domesticated animals and plants.
D) ability of natural ecosystems to respond to natural disasters.
C
AND 7 EXAMS- WITH 100% ACCURATE
SOLUTIONS -2024-2025
Which one of the following least represents ecosystem capital?
A) introduced species that change environments
B) natural populations of salmon in the oceans
C) oil and natural gas reserves buried underground
D) prairies and forests that reduce erosion
A
The best way to sustainably manage natural environments is to
A) carefully limit the growth of the major carnivores and herbivores in the ecosystem.
B) stop hunting animals and harvesting the fruits of the plants in the ecosystem.
C) minimize the impact of natural disasters, such as fires and storms.
D) maintain the interactions between the members of the ecosystem.
D
Ecosystem sustainability primarily results from the
A) number of predators found in the ecosystem.
B) total amount of biomass that exists in an ecosystem.
C) relationships between the organisms in an ecosystem.
D) frequency of fires or other natural disasters in an ecosystem.
C
The structure and maintenance of all ecosystems results from the
A) types of plants in that ecosystem.
B) bacteria, fungi and sols in that ecosystem.
,C) the totality of organisms in that ecosystem.
D) types of animals in that ecosystem.
C
Which of the following best represents a loss of biological wealth?
A) people fishing for catfish in a lake
B) a naturally occurring fire in a forest
C) the extinction of several beetle species
D) mining coal from deep underground mines
C
Which of the following concepts are most closely associated to each other?
A) biological wealth and introduced species
B) anthropocentric values and extinction
C) intrinsic value and anthropocentric value
D) biological wealth and biodiversity
D
Species are most likely to be conserved by humans if they have
A) instrumental value.
B) aesthetic value.
C) institutional value.
D) intrinsic value.
A
Over the past 12,000 years, the greatest loss of biological wealth has resulted from the
A) extraction of oil and mineral from reserves buried deeply underground.
B) conversion of natural ecosystems to modern agriculture.
C) use of deep aquifers, lakes, and rivers as sources of freshwater.
D) movement of human products down rivers and across oceans.
B
Someone who argues that every species has a right to exist, undisturbed, on this planet is arguing for
the
A) economic value of life.
B) finite value of life.
C) intrinsic value of life.
D) institutional value of life.
, C
Wild plants often have greater resistance to parasites than domesticated plants because the wild
plants experience
A) artificial selection, while domesticated plants experience natural selection.
B) artificial selection, while domesticated plants do not experience any selection.
C) natural selection, while domesticated plants experience artificial selection. D) natural selection,
while domesticated plants do not experience any selection.
C
Plants that can best resist a variety of environmental challenges are most likely
A) domesticated plants with little genetic variation.
B) wild plants with high degrees of variation.
C) cultivars with little genetic variation.
D) wild plants with low degrees of variation.
B
When cultivars require adaptations not currently in their genetics, plant breeders
A) often introduce traits found in wild varieties of the plant.
B) use fertilizers to change the chemistry of the crops.
C) may treat the seeds with chemicals that cause mutations, to try to generate new forms.
D) may try to introduce genetic traits found in pests of the crops.
A
The greatest potential for developing new types of agricultural crops depends upon
A) thousands of plant species that occur only in the wild.
B) our ability to identify and culture new types of animal pollinators.
C) grafting together different plants into one new type of plant, such as a plant with tomatoes and
sweet potato roots.
D) bioengineering new combinations of wheat and rice.
A
The main instrumental value of biological diversity is the
A) ability of organisms to adapt to fluctuations in their natural environments.
B) joy that humans gain from their beauty in nature.
C) the potential for new types of domesticated animals and plants.
D) ability of natural ecosystems to respond to natural disasters.
C
