BIOL 301 Verified Questions And Answers With Verified Solutions
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BIOL 301
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BIOL 301 Verified Questions And Answers With Verified Solutions
Which dispersion even would you expect to observe for a population with patchy resources? ANS Clustered
Select the correct term for this definition: Number of individuals per unit area or volume. ANS Density
Which metapopulati...
biol 301 verified questions and answers with verif
biol 301 verified questions and answers
which dispersion even would you expect to observe
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BIOL 301
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BIOL 301 Verified Questions And Answers With
Verified Solutions
Which dispersion even would you expect to observe for a population with patchy resources? ANS
Clustered
Select the correct term for this definition: Number of individuals per unit area or volume. ANS
Density
Which metapopulation model most aligned with the blue tit example where populations flourished in
the Downy Oak Forest and those individuals would disperse to the neighboring Holm Oak forest?
ANS Source-Sink Metapopulation model
Given that environments are heterogeneous, some areas contain high-quality resources while other
contain low-quality resources, organisms within a population following ideal free distribution have a
tendency to distribute themselves where ANS the per capita benefit is the same for all members
If you wanted to evaluate the population growth of Escherichia coli, which type of model would you
select? ANS continuous time model
Which model would evaluate population growth taking into account density dependent factors? ANS
dN/dt = rN (1-(n/K))
Which of the following are density independent factors? ANS temperature, precipitation and
catastrophic events
True/False: Negative density dependence maintains that as a population density increases, the
intrinsic growth rate increases. ANS False
Using a continuous model, what would the population size be for an initial population (N=300) with
an intrinsic growth rate of 0.42 and a time period of 5 years? ANS 2449.85
, dN/dt= rN. From this equation, what does N represent? ANS the number of individuals in the
population
You are studying a population of frogs which made a remarkable recovery from the brink of
extinction increasing from 65 individuals to 1305 over 15 years with an intrinsic growth rate of 0.2.
What is the doubling time for this species? ANS 3.45 years
Based on the r value given in the previous question, what would you expect the corresponding
lambda to be? ANS greater than 1
Calculate the generation time (T) for a population with a net reproductive rate (Ro= 2.5) and
expected births weighted by age of 5.3. ANS 2.12
An organism experiencing very high mortality in juvenile stages but then relatively stable
survivorship until old age would be characterized by which type of survivorship curve? ANS
Type III
Using a continuous time model to evaluate population growth rates and incorporating density
dependent factors we introduce the variable tau. What does this variable represent? ANS a time
lag in population growth rates
A population of moose has a r=0.3 and a tau = 1.2, what type of oscillation would you expect to
observe around K? ANS no oscillation
In life table analysis, _____________ of females is defined as the number of offspring per breeding
cycle. ANS fecundity
Which term represents the variation in birth and death rates due to environmental factors? ANS
Environmental Stochasticity
Which term is defined by when a larger population is broken up into smaller groups that live in
isolated patches. ANS Subpopulation
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