8978994
Descrição
Quiz por Eboni Barnes, atualizado more than 1 year ago
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Criado por Eboni Barnes
aproximadamente 7 anos atrás
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Questão 1
Questão
Nitrogen is taken from the atmosphere and converted into a form usable by plants through a process called
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nitrification
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nitrogen fixation
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assimilation
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ammonification
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denitrification
Questão 2
Questão
Which of the following is NOT recycled in an ecosystem forever?
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carbon
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water
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energy
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nitrogen
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phosphorus
Questão 3
Questão
An organism's niche includes
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what it eats
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what kind of environment it lives in
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how wet or dry it is
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the temperature
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all of these
Questão 4
Questão
The complex of interconnected food chains in an ecosystem is known as
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trophic levels
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a food web
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a biogeochemical cycle
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succession
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energy flow
Questão 5
Questão
An example of commensalism is
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mistletoe living on a host plant
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an epiphyte growing on a tree
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mycorrhize
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ants and flowering vines in Central America
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a bacterium living on a dead leaf
Questão 6
Questão
A Type III survivorship curve would be observed
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in humans
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in annual plant populations crowded into a limited space
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when mortality is concentrated later in life
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in many tree species because many young seedlings die
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when the probability of death is equally likely at any age
Questão 7
Questão
A goat pulling a plant out of the ground to eat is an example of
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parasitism
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predation
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competition
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commensalism
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mutualism
Questão 8
Questão
Which of the following organisms would be found at the base of a pyramid of energy?
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an herbivore
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a primary consumer
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a secondary consumer
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an omnivore
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a producer
Questão 9
Questão
Which contains the largest number of organisms?
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community
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ecosystem
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population
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biosphere
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landscape
Questão 10
Questão
When you observe the growth rate of a population decreasing to zero, you can conclude that
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all individuals in the population have died
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the species has become extinct
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the growth curve of the population has a J-shape
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conditions are optimal
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the carrying capacity of the environment has been reached
Questão 11
Questão
Herbivores are
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primary consumers
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secondary consumers
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detritivores
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omnivores
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producers
Questão 12
Questão
A plant defense mechanism to escape predation includes
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thorns
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spines
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a thick waxy cuticle
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bad tasting chemicals
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all of these
Questão 13
Questão
Two important decomposers are
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bacteria and fungi
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vultures and snails
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snails and clams
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bears and pigs
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oaks and maples
Questão 14
Questão
Intraspecific competition
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tends to limit the population size
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usually results in one species being eliminated from an area
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is not a significant factor in communities
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includes predation and parasitism
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is the same as predation
Questão 15
Questão
Which biome is characterized by thickets of evergreen shrubs and small trees?
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chaparral
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tropical rain forest
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temperate grassland
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temperate deciduous forest
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temperate rain forest
Questão 16
Questão
What is most important for determining a biome's boundaries?
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plants
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animals
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precipitation
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temperature
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precipitation and temperature
Questão 17
Questão
Hot summers and pronounced winters, moderate to high rainfall, and a dense canopy of broad-leaved trees over saplings and shrubs characterize the ____ biome.
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savanna
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tropical rain forest
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temperate grassland
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temperate deciduous forest
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temperate rain forest
Questão 18
Questão
Which biome is characterized by rich topsoil and broadleaf trees that lose their leaves in winter?
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boreal forest
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temperate rain forest
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temperate deciduous forest
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tropical rain forest
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savanna
Questão 19
Questão
Which biome is characterized by permafrost?
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taiga
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tundra
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temperate deciduous forest
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desert
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grassland
Questão 20
Questão
High precipitation, cool summers, mild winters, and an evergreen forest characterize the biome.
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temperate deciduous forest
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temperate rain forest
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tropical rain forest
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taiga
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chaparral
Questão 21
Questão
Mediterranean biome is affected by _________ air currents in summer.
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ascending wet
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clockwise turning
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descending wet
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ascending dry
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descending dry
Questão 22
Questão
Which biome am I? I am found along the northwest coast of North America and have coniferous evergreen trees.
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boreal forest
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chaparral
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temperate rain forest
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tropical rain forest
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grassland
Questão 23
Questão
The biome that can have enormous fluctuations of daily and seasonal temperatures is the
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temperate deciduous forest
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savannah
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tundra
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desert
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none of these
Questão 24
Questão
Which biome is characterized by conifers and extremely cold winters?
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boreal forest
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tundra
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temperate deciduous forest
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desert
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grassland
Questão 25
Questão
Hot summers and cool to cold winters, low to moderate precipitation, and the best agricultural soils in the world characterize the ____ biome.
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savanna
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chaparral
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temperate grassland
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temperate deciduous forest
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desert
Questão 26
Questão
Which of following statements is correct?
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Swamps are fulfilled with grass.
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There are a lot of conifers in marshes.
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Benthic zone is dominated by zooplanktons in ocean.
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Estuaries and delta regions have very high primary productivity.
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Rivers are stablized ecosystems.
Questão 27
Questão
Which biome am I? The weather is cool, and there is high precipitation and dense fog.
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deciduous forest
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chaparral
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temperate rain forest
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tropical rain forest
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savanna
Questão 28
Questão
These two biomes are dominated by conifers:
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tundra and taiga
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boreal forest and temperate rain forest
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temperate rain forest and tropical rain forest
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chaparral and savanna
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temperate deciduous forest and temperate rain forest
Questão 29
Questão
Today, the extinction of most species is due to
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the destruction of habitats
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pollution
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the introduction of foreign species
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commercial harvesting
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controlling native pests
Questão 30
Questão
A threatened species is different from an endangered species in that a threatened species
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is composed of individuals that cannot interbreed
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is in imminent danger of extinction
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is likely to become endangered in the near future
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lives outside its range
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has already become extinct
Questão 31
Questão
By definition, an area providing ecosystem services
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is a hotspot
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is important to the functioning of the ecosystem as a whole
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is an example of in situ conservation
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is an example of ex situ conservation
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is undergoing restoration ecology
Questão 32
Questão
Global warming occurs because greenhouse gases
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reflect visible radiation
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absorb visible radiation
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absorb infrared radiation
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absorb carbon dioxide
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reflect carbon dioxide
Questão 33
Questão
Which of the following statements concerning invasive species is FALSE?
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they may compete with native species for resources
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they may prey on native species
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they may cause economic harm
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they usually cause less harm to the native species than natural predators
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they may spread to new areas on their own
Questão 34
Questão
The most effective way to preserve species is to
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divide areas into fragments having separate species
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divide areas into fragments that are far apart rather than close together
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preserve habitats that have only a few species rather than many species
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build roads in order to more easily access species
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establish parks and reserves
Questão 35
Questão
Species richness is defined as
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the number of species
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the genetic variety within a population
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the genetic variety within a species
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the diversity among ecosystems
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biodiversity
Questão 36
Questão
Increases in the amount of ____ in the atmosphere may be a threat to the world because of the greenhouse effect.
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carbonate
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carbon dioxide
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helium
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nitrogen gas
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none of these
Questão 37
Questão
Which of the following is NOT classified as a greenhouse gas?
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molecular nitrogen (N2)
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surface ozone (O3)
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carbon dioxide (CO2)
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nitrous oxide (N2O)
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methane (CH4)
Questão 38
Questão
Which of the following is NOT a probable consequence of global warming?
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some species will disperse into new environments
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Canada and Russia will decrease their agricultural productivity
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some areas will have increased precipitation
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some areas will have increased droughts
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sea levels will rise
Questão 39
Questão
Which of the following is NOT a characteristic of endangered species?
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they have an extremely localized range
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they have low reproductive rates
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they have specialized feeding habits
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they live on islands
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they are not endemic
Questão 40
Questão
Ex situ conservation
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is the best way to preserve biodiversity
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is exemplified by a national park
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is exemplified by a national reserve
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is exemplified by a marine sanctuary
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is exemplified by a botanic guarden
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