ENVS 1126 LSU Final Exam Doering
Questions and Answers
Which of the following is a species?
a. fish community
b. Homo sapiens
c. liger
d. tropical rainforest - Answer- b. Homo sapiens
The 3 types of capital that determine a nation's wealth are ___, ___, and ___.
a. produced, natural, and intangible
b. produced, tangible, and domestic
c. gross, domestic, and produced
d. domestic, tangible, and natural - Answer- a. produced, natural, and intangible
Nitrogen gas (N2) in air is unavailable to plants and therefore they rely on
a. Rain runoffs.
b. Fossil fuel combustion.
c. Nitrogen-fixation in the soil.
d. Denitrification in the soil. - Answer- c. Nitrogen-fixation in the soil.
Which example of a community interaction represents a type of predation?
a. A small barnacle adheres itself to the body of a whale to hitch a ride.
b. A non-parasitic moss grows on the trunk of a tree.
c. A honeybee feeds on nectar in a flower and pollinates the flower.
d. A large herd of zebra graze on savannah grasses and shrubs. - Answer- d. A
large herd of zebra graze on savannah grasses and shrubs.
Inter-generational equity means:
a. Valuing something beyond its monetary value to humans.
b. Technological innovations will always be a substitute for natural systems.
c. Making possible for others today what is possible for you now.
d. Making possible for future generations what is possible for us today. - Answer- d.
Making possible for future generations what is possible for us today.
The highest levels of biodiversity are found in
a.biodiversity hotspots.
b.aquatic biomes.
c.habitats undergoing ecological succession.
d.terrestrial biomes. - Answer- a.biodiversity hotspots.
Which is not a form of habitat loss?
a.Conversion
b.Potentiation
c.Simplification
d.Intrusion - Answer- b.Potentiation
,A food chain describes the movement of
a.energy and nutrients.
b.oxygen and carbon dioxide.
c.animals and plants.
d.ecosystem services. - Answer- a.energy and nutrients.
Energy for almost all ecosystems originates from the
a.hydrosphere.
b.lithosphere.
c.atmosphere.
d.sun. - Answer- d.sun.
Decomposers are organisms that feed on
a. another living plant or animal over an extended period of time.
b. inorganic material.
c. producers.
d. dead organic material. - Answer- d. dead organic material.
Most primary production in aquatic ecosystems is performed by
a. phytoplankton.
b. mangroves.
c. zooplankton.
d. bacteria. - Answer- a. phytoplankton.
The main difference between primary and secondary succession is that
a. primary succession does not involve mosses.
b. secondary succession begins with pre-existing soil.
c. primary succession begins with pre-existing plants.
d. secondary succession begins with lichens. - Answer- b. secondary succession
begins with pre-existing soil.
James has a dog and a cat named Spot and Fluffy. Spot and Fluffy are both greedy
and like to eat each other's food. What type of Interaction is this?
a. Intraspecific competition
b. Mutualism
c. Interspecific competition
d. Commensalism - Answer- c. Interspecific competition
Without genetic variation that is associated with differential survival or reproduction,
a species cannot
a. undergo synergism.
b. undergo respiration.
c. undergo community interactions.
d. undergo natural selection. - Answer- d. undergo natural selection.
,Technological pessimism is the idea that:
a. There are limits to the ability of innovation to substitute for natural systems.
b. Environmental disasters have occurred that are understood as human caused.
c. Technology can always substitute for natural systems.
d. What we perceive with our senses represents objective reality. - Answer- a. There
are limits to the ability of innovation to substitute for natural systems.
Inherent value is the idea that
a. human well-being is more important than the well-being of the environment.
b. organisms have value that is independent of their value to humans.
c. value added by technological innovation is infinite.
d. some actions cause harm but represent a necessary evil. - Answer- b. organisms
have value that is independent of their value to humans.
Walking through a national park, you step off a well-marked trail to take a
photograph and accidentally trample a rare orchid plant. This is an example of
a. commensalism.
b. mutualism.
c. competition.
d. amensalism. - Answer- d. amensalism.
What two factors are required for speciation to occur?
a. reproductively isolated and selective pressures
b. resource partitioning and selective pressures
c. selective pressures and unstable environmental conditions
d. reproductively isolated and stable environmental conditions - Answer- a.
reproductively isolated and selective pressures
Which of the following is not required by a sustainable society?
a. Stable economy
b. Stable ecosystem
c. Stable resource use
d. Stable population - Answer- b. Stable ecosystem
Biodiversity hotspots often have endemic species. Which is an example of an
endemic species?
a. The black rat probably originated on the Indian subcontinent but is now found
worldwide.
b. Amphiprion ocellaris is a small fish found throughout the Indo-Pacific region.
c. O'opu naniha, in the Hawaiian language, is a small fish found only on the Island of
Hawai'i.
d. The green anaconda is common in rainforests. - Answer- c. O'opu naniha, in the
Hawaiian language, is a small fish found only on the Island of Hawai'i.
In an ecosystem with many similar species, we typically find
, a. intense interspecific competition mostly for food.
b. adaptations for battles and interspecific competition.
c. competitors using different resources to minimize interspecific competition.
d. intense interspecific competition mostly for nesting sites. - Answer- c. competitors
using different resources to minimize interspecific competition.
Which of the following represents an abiotic component of a forest community?
a. the oak and hickory trees
b. the mushrooms growing on and around rotting logs
c. bacteria in the soil
d. water trickling in a small stream - Answer- d. water trickling in a small stream
Driving along a highway, you start noticing plants with tiny blue flowers. Several
miles later, these flowers are very abundant. Then even further, the flowers become
less abundant, until finally, you do not see them at all. The regions where the plants
are very abundant represented the plant's
a. zones of stress.
b. optimal range.
c. biome.
d. resource reservoir. - Answer- b. optimal range.
The optimal range of an organism is
a. the distance in a biome that an organism can travel in a day
b. conditions under which one species can hybridize with another species and
produce fertile offspring
c. the lifespan of an organism necessary to maintain a stable population
d. the conditions under which an organism thrives - Answer- d. the conditions under
which an organism thrives
The discount rate is used to:
a. account for natural capital when calculating GDP.
b. calculate the value of intangible capital.
c. link the three factors of production.
d. find the present value of some future benefit or cost. - Answer- d. find the present
value of some future benefit or cost.
Which statement is correct about biodiversity:
a. Biodiversity is evenly spread among ecosystems.
b. The extent of Earth's biodiversity has been completely catalogued by biologists.
c. Biodiversity is declining around the world.
d. The earth and the ocean have similar levels of biodiversity. - Answer- c.
Biodiversity is declining around the world.
Ecotones
a. contain only species found in the bordering ecosystems.
b. have the same abiotic characteristics as the bordering ecosystems.
c. are transitional regions between ecosystems.
Questions and Answers
Which of the following is a species?
a. fish community
b. Homo sapiens
c. liger
d. tropical rainforest - Answer- b. Homo sapiens
The 3 types of capital that determine a nation's wealth are ___, ___, and ___.
a. produced, natural, and intangible
b. produced, tangible, and domestic
c. gross, domestic, and produced
d. domestic, tangible, and natural - Answer- a. produced, natural, and intangible
Nitrogen gas (N2) in air is unavailable to plants and therefore they rely on
a. Rain runoffs.
b. Fossil fuel combustion.
c. Nitrogen-fixation in the soil.
d. Denitrification in the soil. - Answer- c. Nitrogen-fixation in the soil.
Which example of a community interaction represents a type of predation?
a. A small barnacle adheres itself to the body of a whale to hitch a ride.
b. A non-parasitic moss grows on the trunk of a tree.
c. A honeybee feeds on nectar in a flower and pollinates the flower.
d. A large herd of zebra graze on savannah grasses and shrubs. - Answer- d. A
large herd of zebra graze on savannah grasses and shrubs.
Inter-generational equity means:
a. Valuing something beyond its monetary value to humans.
b. Technological innovations will always be a substitute for natural systems.
c. Making possible for others today what is possible for you now.
d. Making possible for future generations what is possible for us today. - Answer- d.
Making possible for future generations what is possible for us today.
The highest levels of biodiversity are found in
a.biodiversity hotspots.
b.aquatic biomes.
c.habitats undergoing ecological succession.
d.terrestrial biomes. - Answer- a.biodiversity hotspots.
Which is not a form of habitat loss?
a.Conversion
b.Potentiation
c.Simplification
d.Intrusion - Answer- b.Potentiation
,A food chain describes the movement of
a.energy and nutrients.
b.oxygen and carbon dioxide.
c.animals and plants.
d.ecosystem services. - Answer- a.energy and nutrients.
Energy for almost all ecosystems originates from the
a.hydrosphere.
b.lithosphere.
c.atmosphere.
d.sun. - Answer- d.sun.
Decomposers are organisms that feed on
a. another living plant or animal over an extended period of time.
b. inorganic material.
c. producers.
d. dead organic material. - Answer- d. dead organic material.
Most primary production in aquatic ecosystems is performed by
a. phytoplankton.
b. mangroves.
c. zooplankton.
d. bacteria. - Answer- a. phytoplankton.
The main difference between primary and secondary succession is that
a. primary succession does not involve mosses.
b. secondary succession begins with pre-existing soil.
c. primary succession begins with pre-existing plants.
d. secondary succession begins with lichens. - Answer- b. secondary succession
begins with pre-existing soil.
James has a dog and a cat named Spot and Fluffy. Spot and Fluffy are both greedy
and like to eat each other's food. What type of Interaction is this?
a. Intraspecific competition
b. Mutualism
c. Interspecific competition
d. Commensalism - Answer- c. Interspecific competition
Without genetic variation that is associated with differential survival or reproduction,
a species cannot
a. undergo synergism.
b. undergo respiration.
c. undergo community interactions.
d. undergo natural selection. - Answer- d. undergo natural selection.
,Technological pessimism is the idea that:
a. There are limits to the ability of innovation to substitute for natural systems.
b. Environmental disasters have occurred that are understood as human caused.
c. Technology can always substitute for natural systems.
d. What we perceive with our senses represents objective reality. - Answer- a. There
are limits to the ability of innovation to substitute for natural systems.
Inherent value is the idea that
a. human well-being is more important than the well-being of the environment.
b. organisms have value that is independent of their value to humans.
c. value added by technological innovation is infinite.
d. some actions cause harm but represent a necessary evil. - Answer- b. organisms
have value that is independent of their value to humans.
Walking through a national park, you step off a well-marked trail to take a
photograph and accidentally trample a rare orchid plant. This is an example of
a. commensalism.
b. mutualism.
c. competition.
d. amensalism. - Answer- d. amensalism.
What two factors are required for speciation to occur?
a. reproductively isolated and selective pressures
b. resource partitioning and selective pressures
c. selective pressures and unstable environmental conditions
d. reproductively isolated and stable environmental conditions - Answer- a.
reproductively isolated and selective pressures
Which of the following is not required by a sustainable society?
a. Stable economy
b. Stable ecosystem
c. Stable resource use
d. Stable population - Answer- b. Stable ecosystem
Biodiversity hotspots often have endemic species. Which is an example of an
endemic species?
a. The black rat probably originated on the Indian subcontinent but is now found
worldwide.
b. Amphiprion ocellaris is a small fish found throughout the Indo-Pacific region.
c. O'opu naniha, in the Hawaiian language, is a small fish found only on the Island of
Hawai'i.
d. The green anaconda is common in rainforests. - Answer- c. O'opu naniha, in the
Hawaiian language, is a small fish found only on the Island of Hawai'i.
In an ecosystem with many similar species, we typically find
, a. intense interspecific competition mostly for food.
b. adaptations for battles and interspecific competition.
c. competitors using different resources to minimize interspecific competition.
d. intense interspecific competition mostly for nesting sites. - Answer- c. competitors
using different resources to minimize interspecific competition.
Which of the following represents an abiotic component of a forest community?
a. the oak and hickory trees
b. the mushrooms growing on and around rotting logs
c. bacteria in the soil
d. water trickling in a small stream - Answer- d. water trickling in a small stream
Driving along a highway, you start noticing plants with tiny blue flowers. Several
miles later, these flowers are very abundant. Then even further, the flowers become
less abundant, until finally, you do not see them at all. The regions where the plants
are very abundant represented the plant's
a. zones of stress.
b. optimal range.
c. biome.
d. resource reservoir. - Answer- b. optimal range.
The optimal range of an organism is
a. the distance in a biome that an organism can travel in a day
b. conditions under which one species can hybridize with another species and
produce fertile offspring
c. the lifespan of an organism necessary to maintain a stable population
d. the conditions under which an organism thrives - Answer- d. the conditions under
which an organism thrives
The discount rate is used to:
a. account for natural capital when calculating GDP.
b. calculate the value of intangible capital.
c. link the three factors of production.
d. find the present value of some future benefit or cost. - Answer- d. find the present
value of some future benefit or cost.
Which statement is correct about biodiversity:
a. Biodiversity is evenly spread among ecosystems.
b. The extent of Earth's biodiversity has been completely catalogued by biologists.
c. Biodiversity is declining around the world.
d. The earth and the ocean have similar levels of biodiversity. - Answer- c.
Biodiversity is declining around the world.
Ecotones
a. contain only species found in the bordering ecosystems.
b. have the same abiotic characteristics as the bordering ecosystems.
c. are transitional regions between ecosystems.
