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41 Cards in this Set
- Front
- Back
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1) Which of the following is abiotic?
A) a protozoan B) an animal C) a plant D) a fungus E) a rock |
E) a rock
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Which of these represents the correct hierarchical order?
A) cell, organism, population, community, ecosystem B) organism, cell, community, ecosystem, population C) community, population, cell, organism, ecosystem D) cell, organism, ecosystem, population, community E) ecosystem, population, cell, organism, community |
A) cell, organism, population, community, ecosystem
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What level of ecology is concerned with the adaptations of individuals?
A) community B) tissue C) organism D) ecosystem E) population |
C) organism
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What level of ecology is concerned with groups of individuals of the same species?
A) community B) tissue C) organism D) ecosystem E) population |
E) population
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What level of ecology is concerned with groups of individuals of different species?
A) community B) tissue C) organism D) ecosystem E) population |
A) community
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What level of ecology is concerned with both the biotic and abiotic aspects of an
environment? A) community B) tissue C) organism D) ecosystem E) population |
D) ecosystem
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Whose work was among the first to bring environmental concerns to the publicʹs attention?
A) Franklin B) Carson C) Watson and Crick D) Koch E) Darwin |
B) Carson
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What is the primary source of energy for nearly all of Earthʹs ecosystems?
A) sunlight B) geothermal vents C) temperature D) wind E) rocks and soil |
A) sunlight
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Aquatic organisms ______.
A) have a waxy coating to prevent water loss B) may experience problems with the solute concentration of the surrounding fluid C) in freshwater lakes excrete highly concentrated urine D) have no concerns with regard to water E) that are photosynthetic never find light to be in short supply |
B) may experience problems with the solute concentration of the surrounding fluid
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Wind may affect ______.
A) rates of water loss B) pollen dispersal C) patterns of plant growth D) nutrient availability E) all of these |
E) all of these
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Which of these is NOT considered a catastrophic disturbance?
A) hurricane B) snowfall C) flood D) tornado E) volcanic eruption |
B) snowfall
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As a result of a catastrophic disturbance, a community will ______.
A) not be repopulated B) be replaced by a community that is completely different from the previous community C) not recover for thousands of years D) undergo succession E) not be recolonized |
D) undergo succession
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What term applies to the physical and physiological changes experienced by astronauts
who spend months in space? A) acclimation B) adaptation C) cosmosation D) accreditation E) astroization |
A) acclimation
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What is a population?
A) a group of organisms isolated in space and time B) a group of organisms isolated in space C) a group of organisms of the same species isolated in space and time D) a group of organisms of the same species isolated in space E) all of the organisms of a species existing at a particular time |
C) a group of organisms of the same species isolated in space and time
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Which of these is a community?
A) all of the Staphlococcus aureus (a species of bacteria) living on your skin B) all of the organisms living in your home C) all of the students in your class D) all of the people living in your neighborhood E) all of the nut grass (considered a weed) in my backyard |
B) all of the organisms living in your home
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The number of individuals of a population per unit area is the ______.
A) population dispersion pattern B) population density C) population age structure D) population size E) populationʹs intrinsic rate of increase |
B) population density
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A certain species of fungus is only found living on cow patties. What type of dispersion
pattern is the fungus exhibiting? A) stochastic B) uniform C) bunched D) clumped E) random |
D) clumped
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When students first enter a classroom where they are unfamiliar with others in the class,
they tend to leave at least one chair between each other. What type of dispersion pattern does this illustrate? A) stochastic B) uniform C) bunched D) clumped E) random |
B) uniform
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What name is given to a patternless distribution of the individuals of a population?
A) stochastic B) uniform C) bunched D) clumped E) random |
E) random
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In the absence of limiting factors, a populationʹs growth follows a(n) ______ model.
A) exponential B) hypergeometric C) mathematical D) logistic E) geometric |
A) exponential
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In the absence of limiting factors, what shape does a populationʹs growth curve most
closely resemble? A) S B) ∩ C) J D) ∧ E) ∪ |
C) J
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In the presence of limiting factors, a populationʹs growth follows a(n) ______ model.
A) exponential B) hypergeometric C) mathematical D) logistic E) geometric |
D) logistic
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In the presence of limiting factors, what shape does a populationʹs growth curve most
closely resemble? A) S B) ∩ C) J D) ∧ E) ∪ |
A) S
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______ is the number of individuals of a species that a particular habitat can support.
A) Survivorship curve B) Carrying capacity C) Population growth rate D) Population size E) Intrinsic rate of increase |
B) Carrying capacity
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According to the logistic growth model, what happens to the growth rate of a population as
the size of the population nears carrying capacity? A) The growth rate remains unchanged. B) The growth rate slows but never reaches zero. C) The growth rate increases. D) The growth rate abruptly drops to zero. E) The growth rate slows to zero. |
E) The growth rate slows to zero.
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Competition among individuals of the same species is ______ competition.
A) extraspecific B) intraspecific C) exospecific D) interspecific E) endospecific |
B) intraspecific
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Which of these factors operates in a density-dependent manner?
A) blizzard B) hurricane C) volcanic eruption D) food supply E) flood |
D) food supply
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Over time, the populations of most species ______.
A) are relatively stable B) continuously decline C) increase rapidly, crash, and never recover D) continuously increase E) exhibit boom-and-bust cycles |
A) are relatively stable
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An unexpected freeze that kills a population of chipmunks is an example of ______.
A) a density-independent factor B) a natal effect C) a density-dependent factor D) an intrinsic factor |
A) a density-independent factor
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What will be the approximate shape of the age-structure diagram of a rapidly increasing
population? A) a rectangle B) a pyramid C) a circle D) an inverted pyramid E) an hourglass |
B) a pyramid
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What will be the approximate shape of the age-structure diagram of a stable population?
A) a rectangle B) a pyramid C) a circle D) an inverted pyramid E) an hourglass |
A) a rectangle
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Why, despite having a large number of postreproductive individuals, is the population of
the United States still growing? A) The death rate in the United States is at its lowest. B) In the United States, birth rate is the highest it has ever been. C) The emigration rate is greater than the immigration rate. D) In the United States, birth rate plus immigration exceeds the death rate. E) The rate of immigration into the United States is at its highest. |
D) In the United States, birth rate plus immigration exceeds the death rate.
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Opportunistic species typically ______.
A) have a population size close to carrying capacity B) have a high rate of reproduction C) are large-bodied D) are found in relatively undisturbed areas E) exhibit a Type I survivorship curve |
B) have a high rate of reproduction
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Species that exhibit an equilibrial life history typically ______.
A) have a population size close to carrying capacity B) exhibit a Type III survivorship curve C) exhibit a Type II survivorship curve D) are found in disturbed areas E) are small-bodied |
A) have a population size close to carrying capacity
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What did Reznick and Endler determine from their study of predation on guppies?
A) The type of predator plays a major role in determining guppy life history strategy. B) Large guppies are more vulnerable to predation than are small guppies. C) Interspecific competition plays a major role in determining guppy life history strategy. D) Small guppies are more vulnerable to predation than are large guppies. E) Intraspecific competition plays a major role in determining guppy life history strategy. |
A) The type of predator plays a major role in determining guppy life history strategy.
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During the cold Michigan winters, both moose and wolves grow thick, insulating coats.
What type of response is this? A) acclimation B) anatomical C) behavioral D) evolutionary E) both B and C |
E) both B and C
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The use of DDT to control insect pests is ______.
A) banned throughout the world B) banned in the United States but not Africa C) banned in Africa but not the United States D) common throughout the world E) common in Europe but not other regions of the world |
B) banned in the United States but not Africa
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To survive in the harsh desert environment, ______.
A) kangaroo rats sleep in burrows during the day B) horned lizards use their wet skin to keep themselves cool C) cacti use a broad system of shallow roots to quickly collect rain water D) horned lizards sleep at night to avoid predators E) cacti bloom during the day to show off their flowers in bright sunlight |
A) kangaroo rats sleep in burrows during the day
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The mark-recapture technique is frequently used to measure the ______.
A) density of a population B) size of a plant population C) reproductive capacity of a population D) mortality rate of mobile organisms E) carrying capacity of an environment |
A) density of a population
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The maximum population size that can be supported by available environmental resources
defines ______. A) density B) growth rate C) carrying capacity D) mortality rate E) the age-structure profile |
C) carrying capacity
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A survivorship curve in which most organisms die very early in life and few survive to
adulthood ______. A) typically involves parental care B) usually results in high predation of adults C) is rarely seen in plants D) is typical of elephants and humans E) is called an opportunistic life history |
E) is called an opportunistic life history
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