Question 1
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Four results of genetic drift in a small poopulation:
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fixation
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loss of genetic variation
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increase in mildly harmful alleles
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increased differences between populations
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increased genetic variation
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stabilizing selection
Question 2
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Prairie chickens showed what results of genetic drift:
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decrease in genetic variation
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increase in mildly harmful alleles
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fixation
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increased differences from other populations
Question 3
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Gene flow can result in:
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increased similarities between populations
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introduction of new alleles
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decrease in genetic variation
Question 4
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Mosquitoes in africa were an example of gene flow
Question 5
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[blank_start]Adaptations[blank_end] are features of organisms that improve their ability to survive and reproduce.
Question 6
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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
Question 7
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[blank_start]Clines[blank_end] are patterns of change in a characteristic pattern over a geographic region.
Question 8
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In drosophila, the AdHs gene is less functional in cold, so the frequency increases with latitude
Question 9
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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
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sexual selection
Question 10
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Constraints on natural selection:
Question 11
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[blank_start]Genetic drift[blank_end] can result in reproductive barriers, but [blank_start]gene flow[blank_end] can prevent this from happening.
Answer
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Genetic drift
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Gene flow
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gene flow
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genetic drift
Question 12
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One introduced species started a cascade of speciation in which example:
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Maggot flies, wasps and apples
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Planorbella and Ribeiroia
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White-tailed deer and ticks
Question 13
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Examples of life history characteristics are
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Amount and timing of reproduction
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Age and size at sexual maturity
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Survival and mortality rates
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Diet
Question 14
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Clown fish have a size hierarchy to reduce conflict
Question 15
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Phenotypic plasticity was occurring in these species:
Question 16
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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
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discrete intervals
Question 17
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C. elegans was used as an example of:
Question 18
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[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
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semelparous
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polyphenic
Question 19
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[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.
Answer
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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
Question 20
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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].
Question 21
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Lesser black-beaked gulls were an example of a tradeoff between clutch size and survival rate of offspring.
Question 22
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High adult survival rates would favour allocating energy to [blank_start]growth[blank_end].
Question 23
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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.
Question 24
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An adult mole salamander living in aquatic environments is an example of [blank_start]paedomorphism[blank_end].
Answer
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paedomorphism
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niche shift
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a morph
Question 25
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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.
Answer
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proximate
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ultimate
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latter
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former
Question 26
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Cockroaches gaining an aversion to glucose after generations of exposure to an insecticide trap containing glucose is an example of:
Question 27
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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
Question 28
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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
Question 29
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Handling time refers to how long it takes a parent to bring offspring to maturity.
Question 30
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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.
Question 31
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Individuals from a single fertilization are a
Question 32
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[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.
Answer
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Regular
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Clumped
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Random
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high value
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low value
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high quality
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low quality
Question 33
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N= (M*C)/R is the equation for line transect abundance
Question 34
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Relative population size compares number of sightings in an area to effort or another area. Considered to model actual population
Question 35
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lambda= Nt+1/Nt is the equation for growth rate
Question 36
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[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.
Answer
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Geometric
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Exponential
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constant
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finite
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discrete
Question 37
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Density independent factors regulate population size.
Question 38
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The logistic equation is
Answer
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Nt+1=lambda(N)
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dN/dt= rN
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dN/dt= rN(1-(N/K)
Question 39
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Demographic stochasticity
Answer
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chance events affect reproduction and survival
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finite increase decreases as the carrying capacity is approached
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cyclic events affect an individuals survival rate
Question 40
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[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.
Question 41
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Metapopulation is an analysis of all populations in an environment
Question 42
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Amensalism is where one species is harmed and the other is [blank_start]unaffected[blank_end].
Answer
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unaffected
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decreased
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increased
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driven to extinction
Question 43
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This is the equation for the
Question 44
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This is the range where species can co-exist
Question 45
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Character displacement is where
Answer
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through competition like species diverge
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natural selection causes directional selection
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competition drives one species to extinction