UNH BIOLOGY 412 FINAL EXAM STUDY GUIDE WITH COMPLETE SOLUTION
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UNH Biology 412
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UNH Biology 412
UNH BIOLOGY 412 FINAL EXAM STUDY GUIDE WITH
COMPLETE SOLUTION .The maximum number of individuals of a given population the environment can support is the
environment's _____ for that population.
A.carrying capacity
B.effect on the intrinsic growth rate
C.population size
D.effect on the expone...
when a population is small relative to its carryin
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UNH BIOLOGY 412 FINAL EXAM STUDY GUIDE WITH
COMPLETE SOLUTION
The maximum number of individuals of a given population the environment can support is the
environment's _____ for that population.
A.carrying capacity
B.effect on the intrinsic growth rate
C.population size
D.effect on the exponential growth rate - answerCarrying Capacity
A severe drought is an example of a density-_____ factor that can influence population size. The
availability of nest sites is an example of a density-_____ factor.
When a population is small relative to its carrying capacity, its growth will be:
A.geometric.
B.exponential.
C.logistic.
D.both geometric and exponential.E.both geometric and logistic. - answerexponential
A scientist is studying a population of kangaroo rats in the southwestern deserts of the United
States. For approximately 4 years the population remains at or near 125 individuals. In the fifth
year, it falls to 30. This sharp decrease in population size is most likely the result of density-_____
factors.
,A.dependent
B.independent - answerindependent
The term (ΔN/N0)/Δt (where N denotes the size of a population and t represents time) is used to
calculate:
A.a habitat's carrying capacity.
B.the "available" percentage of a habitat's carrying capacity.
C.a population's density.
D.a population's specific growth rate. - answera population's specific growth rate
The common mud turtle experiences relatively uniform mortality rates throughout its life. It
exhibits Type _____ survivorship.
A.I
B.II
C.III - answerII
____ is the proportion of individuals of an initial cohort that survives to each successive age or
stage of the life cycle.
A.Survivorship
B.Mortality
C.Age structure
D.Demography - answerSurvivorship
A large population made up of smaller populations linked by migration is a:
A.colonization.
B.island founder event.
C.metapopulation.
, D.habitat patch. - answermetapopulation
Both the land area (size) of an island and the _____ contribute to species diversity.
A.depth of the water surrounding the island
B.distance of the island from neighboring land masses
C.rock composition of the island
D.climate of the island
E.proximity of the island to the equator - answerdistance of the island from neighboring land
masses
A group of biologists want to estimate a population of beetles living in an area around a pond.
They capture and mark 500 beetles, then release them on the first day. They return the following
day and catch a total of 400 individuals, 200 of which are marked. What is the estimated
population size for the beetles?
A.10,000
B.1000
C.500
D.250 - answer1,000
The coast redwood (Sequoia sempervirens) occurs naturally in a strip of habitat about 450 miles
long and 5-35 miles wide, from southwest Oregon along the coast to just south of Monterey,
California. What aspect of the population ecology of the coast redwood does this statement
describe?
A.geographic range
B.population density
C.population size
D.type of distribution - answergeographic range
Prairie dogs are rodents that live in colonies. Black-tailed prairie dog (Cynomys ludovicianus)
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