6747790
Descripción
Test por Lindsay Daly, actualizado hace más de 1 año
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Creado por Lindsay Daly
hace alrededor de 10 años
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Pregunta 1
Pregunta
Four results of genetic drift in a small poopulation:
Respuesta
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fixation
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loss of genetic variation
-
increase in mildly harmful alleles
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increased differences between populations
-
increased genetic variation
-
stabilizing selection
Pregunta 2
Pregunta
Prairie chickens showed what results of genetic drift:
Respuesta
-
decrease in genetic variation
-
increase in mildly harmful alleles
-
fixation
-
increased differences from other populations
Pregunta 3
Pregunta
Gene flow can result in:
Respuesta
-
increased similarities between populations
-
introduction of new alleles
-
decrease in genetic variation
Pregunta 4
Pregunta
Mosquitoes in africa were an example of gene flow
Respuesta
- True
- False
Pregunta 5
Pregunta
[blank_start]Adaptations[blank_end] are features of organisms that improve their ability to survive and reproduce.
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-
Adaptations
Pregunta 6
Pregunta
Soapberry bugs and the goldenrain vine were an example of [blank_start]adaptive evolution[blank_end].
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-
adaptive evolution
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natural selection
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disruptive selection
Pregunta 7
Pregunta
[blank_start]Clines[blank_end] are patterns of change in a characteristic pattern over a geographic region.
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-
Clines
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Temperate zones
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Inter tropical convergence zones
Pregunta 8
Pregunta
In drosophila, the AdHs gene is less functional in cold, so the frequency increases with latitude
Respuesta
- True
- False
Pregunta 9
Pregunta
Bentgrass at mine sites was an example of [blank_start]natural selection[blank_end] overcoming gene flow
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-
natural selection
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genetic drift
-
sexual selection
Pregunta 10
Pregunta
Constraints on natural selection:
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evolutionary history
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ecological trade offs
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lack of genetic variation
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environment
-
cline
Pregunta 11
Pregunta
[blank_start]Genetic drift[blank_end] can result in reproductive barriers, but [blank_start]gene flow[blank_end] can prevent this from happening.
Respuesta
-
Genetic drift
-
Gene flow
-
gene flow
-
genetic drift
Pregunta 12
Pregunta
One introduced species started a cascade of speciation in which example:
Respuesta
-
Maggot flies, wasps and apples
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Planorbella and Ribeiroia
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White-tailed deer and ticks
Pregunta 13
Pregunta
Examples of life history characteristics are
Respuesta
-
Amount and timing of reproduction
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Age and size at sexual maturity
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Survival and mortality rates
-
Diet
Pregunta 14
Pregunta
Clown fish have a size hierarchy to reduce conflict
Respuesta
- True
- False
Pregunta 15
Pregunta
Phenotypic plasticity was occurring in these species:
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-
Evergreens in different climates
-
Spadefoot toads
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Prairie hens
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Aspen trees
Pregunta 16
Pregunta
Phenotypic plasticity may be a [blank_start]continuous[blank_end] range of sizes, or may have discrete intervals, called [blank_start]morphs[blank_end].
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continuous
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limited
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random
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discrete
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morphs
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life history stages
-
discrete intervals
Pregunta 17
Pregunta
C. elegans was used as an example of:
Respuesta
-
Pros and cons of asexual vs sexual reproduction
-
Phenotypic plasticity
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Polyphenism
Pregunta 18
Pregunta
[blank_start]Semelparous[blank_end] species reproduce once in a lifetime, [blank_start]iteroparous[blank_end] species reproduce many times in a lifetime.
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-
Semelparous
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Iteroparous
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Metamorphic
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iteroparous
-
semelparous
-
polyphenic
Pregunta 19
Pregunta
[blank_start]r- slection[blank_end] is the growth strategy that is rapid and advantageous in new environments. [blank_start]K-selection[blank_end] is the growth strategy that is slower and is valuable in high-density environments.
Respuesta
-
r- slection
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K-selection
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intrinsic selection
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K-selection
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r-selection
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intrinsic selection
Pregunta 20
Pregunta
Low stress, low disturbance is best for [blank_start]competitive plants[blank_end]. High stress, low-disturbance is best for [blank_start]stress-tolerant plants[blank_end] with [blank_start]slow rates of water and nutrient use[blank_end]. Low stress, high disturbance is best for [blank_start]ruderal plants[blank_end], with [blank_start]heavy investment in seed production[blank_end].
Respuesta
-
competitive plants
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stress-tolerant plants
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slow rates of water and nutrient use
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ruderal plants
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heavy investment in seed production
Pregunta 21
Pregunta
Lesser black-beaked gulls were an example of a tradeoff between clutch size and survival rate of offspring.
Respuesta
- True
- False
Pregunta 22
Pregunta
High adult survival rates would favour allocating energy to [blank_start]growth[blank_end].
Respuesta
-
growth
-
reproduction
Pregunta 23
Pregunta
The Nassau grouper's change from being small and living in algae clumps to being larger and living in rocky areas is an example of a morph.
Respuesta
- True
- False
Pregunta 24
Pregunta
An adult mole salamander living in aquatic environments is an example of [blank_start]paedomorphism[blank_end].
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-
paedomorphism
-
niche shift
-
a morph
Pregunta 25
Pregunta
A [blank_start]proximate[blank_end] cause is how the behaviour occurs, an [blank_start]ultimate[blank_end] cause is the evolutionary reason behind the behaviour. The [blank_start]latter[blank_end] is more interesting to biologists.
Respuesta
-
proximate
-
ultimate
-
latter
-
former
Pregunta 26
Pregunta
Cockroaches gaining an aversion to glucose after generations of exposure to an insecticide trap containing glucose is an example of:
Respuesta
-
adaptive behavioural change
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evolution
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niche shift
Pregunta 27
Pregunta
Old field mouse and deer mouse case study found that tunnel length is controlled by [blank_start]one loci[blank_end].
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one loci
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two loci
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behaviour
Pregunta 28
Pregunta
P= E/t is an equation relevant to:
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-
foraging theory
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herbivory
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competition
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carrying capacity
Pregunta 29
Pregunta
Handling time refers to how long it takes a parent to bring offspring to maturity.
Respuesta
- True
- False
Pregunta 30
Pregunta
Marginal value theorem states that an animal should stay in a patch until energy gain [blank_start]declines[blank_end] to average energy gain for the habitat.
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-
declines
-
increases
Pregunta 31
Pregunta
Individuals from a single fertilization are a
Respuesta
-
genet
-
genetic
-
peanut
Pregunta 32
Pregunta
[blank_start]Regular[blank_end] dispersion can be the result of competition. Co-operative breeding can occur in [blank_start]high value[blank_end] habitats, when [blank_start]high quality[blank_end] habitat is rare.
Respuesta
-
Regular
-
Clumped
-
Random
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high value
-
low value
-
high quality
-
low quality
Pregunta 33
Pregunta
N= (M*C)/R is the equation for line transect abundance
Respuesta
- True
- False
Pregunta 34
Pregunta
Relative population size compares number of sightings in an area to effort or another area. Considered to model actual population
Respuesta
- True
- False
Pregunta 35
Pregunta
lambda= Nt+1/Nt is the equation for growth rate
Respuesta
- True
- False
Pregunta 36
Pregunta
[blank_start]Geometric[blank_end] growth has a constant growth rate at [blank_start]discrete[blank_end] periods, Nt+1= lambda(Nt). [blank_start]Exponential[blank_end] growth has [blank_start]constant[blank_end] reproduction dN/dt= rN.
Respuesta
-
Geometric
-
Exponential
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constant
-
finite
-
discrete
Pregunta 37
Pregunta
Density independent factors regulate population size.
Respuesta
- True
- False
Pregunta 38
Pregunta
The logistic equation is
Respuesta
-
Nt+1=lambda(N)
-
dN/dt= rN
-
dN/dt= rN(1-(N/K)
Pregunta 39
Pregunta
Demographic stochasticity
Respuesta
-
chance events affect reproduction and survival
-
finite increase decreases as the carrying capacity is approached
-
cyclic events affect an individuals survival rate
Pregunta 40
Pregunta
[blank_start]Demographic stochasticity[blank_end]- when chance event move the individual away from the norm while birth and death rates remain constant. [blank_start]Environmental stochasticity[blank_end]-changes in environment cause change in birth and death rates. [blank_start]Allee effect[blank_end]- small populations have decreased growth as it becomes harder to find a mate.
Respuesta
-
Demographic stochasticity
-
Environmental stochasticity
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Allee effect
Pregunta 41
Pregunta
Metapopulation is an analysis of all populations in an environment
Respuesta
- True
- False
Pregunta 42
Pregunta
Amensalism is where one species is harmed and the other is [blank_start]unaffected[blank_end].
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-
unaffected
-
decreased
-
increased
-
driven to extinction
Pregunta 43
Respuesta
-
Lotka-volterra competition model
-
logistic growth
Pregunta 44
Pregunta
This is the range where species can co-exist
Respuesta
- True
- False
Pregunta 45
Pregunta
Character displacement is where
Respuesta
-
through competition like species diverge
-
natural selection causes directional selection
-
competition drives one species to extinction
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