4161323
Descripción
Test por SARAH DE MELLO, actualizado hace más de 1 año
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Creado por SARAH DE MELLO
hace más de 8 años
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Pregunta 1
Pregunta
The part of the earth's air, soil, and water where life is found is called the
Respuesta
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organism
-
biosphere
-
population
-
ecosystem
Pregunta 2
Pregunta
Groups of different species living together in a particular place with a potential for interacting with one another is called
Respuesta
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organism
-
population
-
community
-
ecosystem
Pregunta 3
Pregunta
Which of the following is not a type of consumer?
Respuesta
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decomposer
-
producer
-
omnivore
-
carnivore
-
detrivore
Pregunta 4
Pregunta
Organisms that feed only on plants are called
Respuesta
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detrivores
-
omnivores
-
carnivores
-
herbivores
-
decomposers
Pregunta 5
Pregunta
The very necessary process of breaking down the dead bodies of organisms is a function of
Respuesta
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detrivores
-
omnivores
-
carnivores
-
herbivores
-
producers
Pregunta 6
Pregunta
Complex networks of interconnected food chains are
Respuesta
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food webs
-
food chains
-
trophic levels
-
pyramids of energy
Pregunta 7
Pregunta
The typical percentage of high quality energy loss in transfers from one trophic level to the next is about
Respuesta
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90%
-
1%
-
60%
-
5%
Pregunta 8
Pregunta
If grass stores 1,000 energy units received from the sun, the ecological efficiency of the ecosystem is 10%, and the trophic levels are grass → cow → human, how many units of energy does the human receive of the original 1,000 units?
Respuesta
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900
-
200
-
100
-
10
-
1
Pregunta 9
Pregunta
Some individuals in a population have genetic traits that are favored by environmental conditions because the trait enhance their ability to survive and produce offspring, a process called
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natural selection
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adaptibility
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genetic drift
-
mutation
Pregunta 10
Pregunta
Mutations are not caused by which of the following?
Respuesta
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ultraviolet light
-
a physical accident to a parent
-
radioactivity
-
X rays
Pregunta 11
Pregunta
For natural selection to occur, an adaptive trait
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must be to a physical trait
-
must be to a psychological trait
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must be a physiological trait
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must be to a heritable trait
Pregunta 12
Pregunta
Biological evolution by natural selection is when genes ____, individuals ____, and populations ____.
Respuesta
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evolve; mutate; are selected
-
evolve; are selected; mutate
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mutate; are selected; evolve
-
are selected; mutate; evolve
Pregunta 13
Pregunta
From a scientific point of view, which of the following is true?
Respuesta
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evolution leads to survival of the strongest
-
evolution leads to survival of the most valuable
-
organisms develop traits because they need them
-
evolution follows a plan of nature
Pregunta 14
Pregunta
Biodiversity is believed to be the result of the interaction between
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geographic isolation and reproductive isolation
-
speciation and extinction
-
speciation and genetic engineering
-
reproductive isolation and extinction
Pregunta 15
Pregunta
The role a species plays in its ecosystem is the
Respuesta
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function
-
habitat
-
ecological niche
-
ecological job
Pregunta 16
Pregunta
A species with a broad niche is considered a(n)
Respuesta
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endemic species
-
specialist species
-
native species
-
generalist species
Pregunta 17
Pregunta
Which of the following would not be considered a generalist species?
Respuesta
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humans
-
cockroaches
-
pandas
-
raccoons
Pregunta 18
Pregunta
Which of the following is another name for a nonnative species?
Respuesta
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native
-
invasive
-
keystone
-
indicator
Pregunta 19
Pregunta
A species in an ecosystem that plays a central role in the health of that ecosystem, and whose removal may cause the collapse of the ecosystem, is called a(n)
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foundation species
-
indicator species
-
keystone species
-
specialist species
Pregunta 20
Pregunta
A species in an ecosystem that shapes communities by creating and enhancing habitats in ways that benefit other species is called
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foundation species
-
indicator species
-
keystone species
-
native species
Pregunta 21
Pregunta
If multiple species find themselves competing for the same resource, the competition can be reduced by which of the following?
Respuesta
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camouflage
-
resource partitioning
-
resource expansion
-
cooperation
Pregunta 22
Pregunta
Which of the following is said to occur when an interaction benefits one species but has little, if any, effect on the other?
Respuesta
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interspecific competition
-
predation
-
commensalism
-
mutualism
Pregunta 23
Pregunta
Which of the following is said to occur when members of two or more species interact to gain access to the same limited resources?
Respuesta
-
interspecific competition
-
predation
-
parasitism
-
mutualism
Pregunta 24
Pregunta
Which of the following is not a method predators use to capture prey?
Respuesta
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pursuit
-
protective shells
-
chemical warfare
-
ambush
Pregunta 25
Pregunta
Which of the following is not a method prey species use to avoid capture?
Respuesta
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highly developed sense of sight or smell
-
ambush
-
chemical warfare
-
camouflage
Pregunta 26
Pregunta
A group of interbreeding individuals of the same species in the same geographic region is called a(n)
Respuesta
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community
-
population
-
ecosystem
-
biome
Pregunta 27
Pregunta
Fundamental types of matter that have unique sets of properties and can not be broken down into simpler substances by chemical means are called
Respuesta
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mixtures
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elements
-
atoms
-
isotopes
Pregunta 28
Pregunta
Protons, neutrons, and electrons are all
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forms of energy
-
equal in mass
-
subatomic particles
-
charged particles
Pregunta 29
Pregunta
The measurement of the concentration of hydrogen ions compared to the concentration of hydroxide ions in a solution is called
Respuesta
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ionization
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pH
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alkalinity
-
covalent bonding
Pregunta 30
Pregunta
The first law of thermodynamics tells us that
Respuesta
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doing work always creates heat
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altering matter is the best source of energy
-
energy is neither created nor destroyed
-
energy cannot be converted
Pregunta 31
Pregunta
The matter and energy laws tell us that we can recycle
Respuesta
-
both matter and energy
-
matter but not energy
-
energy but not matter
-
none of these
Pregunta 32
Pregunta
The hydrologic cycle is driven primarily by
Respuesta
-
solar energy
-
lunar tides
-
solar tides
-
chemical energy
Pregunta 33
Pregunta
Which of the following is a primary link between photosynthesis and aerobic respiration?
Respuesta
-
phosphorus
-
sulfur
-
carbon
-
hydrogen
Pregunta 34
Pregunta
Nitrogen is a major component of all of the following except
Respuesta
-
proteins
-
nucleic acids
-
groundwater
-
ammonia
Pregunta 35
Pregunta
Which of the following is not a part of the phosphorus cycle?
Respuesta
-
soil
-
atmosphere
-
organisms
-
rocks
Pregunta 36
Pregunta
Sulfur is added to the atmosphere in all the following ways except
Respuesta
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from volcanoes
-
anaerobic decomposition
-
eating meat
-
sea spray
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