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Rangelands
Test Description: Reviews environmental issues related to rangelands
Instructions: Answer all questions to get your test result.
1) Which environmental factor is most responsible for distinguishing grasslands from forests and deserts?
A
latitude
B
average temperatures
C
closeness to the ocean
D
precipitation levels
2) How did the Homestead Act impact the orginial grasslands of the western US?
A
brought many new people in to settle and farm the land
B
caused thousands of families to leave the midwest and migrate to other areas
C
prevented farmers from grazing livestock on vulnerable grassland
D
required ranchers to set aside habitat for birds
3) Which of the following is the best definition of rangeland?
A
fenced in meadows used for cows and sheep
B
large unfenced areas of grassland used for grazing livestock
C
zones near streams and rivers
D
vegetated areas preserved for wildlife habitat
4) How does moderate grazing affect a grassland?
A
kills the grass
B
stimulates important regrowth of new plants
C
leads to growth of larger shrubs and trees
D
increases the spread of invasive species
5) How do black footed ferrets use prairie dogs?
A
eat them for food and use their tunnels for having their young
B
depend on them to attract other prey to the area
C
rely on them to keep predators in check
D
use their burrows for collecting water
6) Why were many prairie dogs once killed by ranchers and their presence still controversial today?
A
they spread disease
B
they are an invasive species
C
they compete with livestock for grass
D
they kill ferrets
7) Which of the following was a contributing cause to the Dust Bowl storms?
A
overgrazing of grasslands
B
development of railroad tracks in the midwest
C
over use of water
D
excessive rainfall
8) Which of the following best describes natural, unplowed grassland soil?
A
sandy and easily broken up
B
loose and crumbly
C
thick and deep-rooted; hard to break up
D
shallow and thin
9) Which invention enabled early settlers to convert grassland to farmland?
A
steam engine
B
generator
C
steel plow
D
cotton gin
10) Which of the following best desribes how grassland grasses grow?
A
by runners sent out from the roots
B
from the part of the blade that gets eaten by livestock
C
from the tip of the blade
D
from the bottom of the blade
*select an answer for all questions
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