BIO 320 Final Exam MC
When trees are harvested and removed - CORRECT
REPLY>>>>>>-the rate of soil erosion increases
The number of species of living organisms on the planet is probably
closest to - CORRECT REPLY>>>>>>-10,000,000.
The end of the Permian period was characterized by a mass
extinction of - CORRECT REPLY>>>>>>-shallow-water
marine invertebrates.
The dinosaurs and many other animals became extinct at the end of
the - CORRECT REPLY>>>>>>-Cretaceous period
The end of the Pleistocene epoch was marked by a mass extinction of
- CORRECT REPLY>>>>>>-large mammals.
An ecologist samples trees in 50 plots in a forest to determine the
number of species in the forest. When a species accumulation curve
,is used to plot the cumulative number of tree species (y axis) against
the number of samples taken (x axis), the optimal sample size
needed to determine species richness is represented by the point at
which the curve - CORRECT REPLY>>>>>>-flattens
Which of the following shows the correct chronological order
(geologically oldest to most recent) of near or total extinctions for
the organisms listed? - CORRECT REPLY>>>>>>-psilopsids,
marine invertebrates, dinosaurs, large mammals
As the structural diversity of plant communities increases, the
species richness of animals also increases. - CORRECT
REPLY>>>>>>-True
A sustained yield refers to the - CORRECT REPLY>>>>>>-
rate at which a renewable resource can be used indefinitely without
reducing its available supply
Using benefit-cost analysis, if it costs a farmer $150/ha to plant
soybeans, he or she should definitely plant the crop if projected
benefits are - CORRECT REPLY>>>>>>-$190/ha.
,Which of the following is the correct order of plant evolutionary
appearance (geologically oldest to present date)? - CORRECT
REPLY>>>>>>-psilopsids, pteriodophytes, gymnosperms,
angiosperms
The harvesting of a natural resource based on sustainable yield
applies to - CORRECT REPLY>>>>>>-renewable resources.
Is coal an example of a nonrenewable resource? (Y/N) - CORRECT
REPLY>>>>>>-Yes
What is an example of natural sustainability? - CORRECT
REPLY>>>>>>-uptake of soil nutrients by plants following
mineralization
Different agricultural practices represent a trade-off between -
CORRECT REPLY>>>>>>-productivity and sustainability.
, Variation in species richness of terrestrial species in North America
correlates most strongly with estimates of - CORRECT
REPLY>>>>>>-actual or potential evapotranspiration
Compare two environments at 45°N latitude: environment A's
altitude is 50 meters and environment B's altitude is 3000 meters.
Which environment will support the greater level of species richness
for mammals and birds? - CORRECT REPLY>>>>>>-
Environment A will have the greater level of species richness
In marine environments - CORRECT REPLY>>>>>>-species
richness decreases and productivity increases with latitude.
As temperatures increase during seasonal fluctuations in marine
environments, - CORRECT REPLY>>>>>>-species richness
decreases and species dominance increases.
Species richness of terrestrial plants and animals increases with -
CORRECT REPLY>>>>>>-the structural diversity of plant
communities.
When trees are harvested and removed - CORRECT
REPLY>>>>>>-the rate of soil erosion increases
The number of species of living organisms on the planet is probably
closest to - CORRECT REPLY>>>>>>-10,000,000.
The end of the Permian period was characterized by a mass
extinction of - CORRECT REPLY>>>>>>-shallow-water
marine invertebrates.
The dinosaurs and many other animals became extinct at the end of
the - CORRECT REPLY>>>>>>-Cretaceous period
The end of the Pleistocene epoch was marked by a mass extinction of
- CORRECT REPLY>>>>>>-large mammals.
An ecologist samples trees in 50 plots in a forest to determine the
number of species in the forest. When a species accumulation curve
,is used to plot the cumulative number of tree species (y axis) against
the number of samples taken (x axis), the optimal sample size
needed to determine species richness is represented by the point at
which the curve - CORRECT REPLY>>>>>>-flattens
Which of the following shows the correct chronological order
(geologically oldest to most recent) of near or total extinctions for
the organisms listed? - CORRECT REPLY>>>>>>-psilopsids,
marine invertebrates, dinosaurs, large mammals
As the structural diversity of plant communities increases, the
species richness of animals also increases. - CORRECT
REPLY>>>>>>-True
A sustained yield refers to the - CORRECT REPLY>>>>>>-
rate at which a renewable resource can be used indefinitely without
reducing its available supply
Using benefit-cost analysis, if it costs a farmer $150/ha to plant
soybeans, he or she should definitely plant the crop if projected
benefits are - CORRECT REPLY>>>>>>-$190/ha.
,Which of the following is the correct order of plant evolutionary
appearance (geologically oldest to present date)? - CORRECT
REPLY>>>>>>-psilopsids, pteriodophytes, gymnosperms,
angiosperms
The harvesting of a natural resource based on sustainable yield
applies to - CORRECT REPLY>>>>>>-renewable resources.
Is coal an example of a nonrenewable resource? (Y/N) - CORRECT
REPLY>>>>>>-Yes
What is an example of natural sustainability? - CORRECT
REPLY>>>>>>-uptake of soil nutrients by plants following
mineralization
Different agricultural practices represent a trade-off between -
CORRECT REPLY>>>>>>-productivity and sustainability.
, Variation in species richness of terrestrial species in North America
correlates most strongly with estimates of - CORRECT
REPLY>>>>>>-actual or potential evapotranspiration
Compare two environments at 45°N latitude: environment A's
altitude is 50 meters and environment B's altitude is 3000 meters.
Which environment will support the greater level of species richness
for mammals and birds? - CORRECT REPLY>>>>>>-
Environment A will have the greater level of species richness
In marine environments - CORRECT REPLY>>>>>>-species
richness decreases and productivity increases with latitude.
As temperatures increase during seasonal fluctuations in marine
environments, - CORRECT REPLY>>>>>>-species richness
decreases and species dominance increases.
Species richness of terrestrial plants and animals increases with -
CORRECT REPLY>>>>>>-the structural diversity of plant
communities.
