Rio Salado GPH 111 – In a vegetation community

12 Jun Rio Salado GPH 111 – In a vegetation community

Question
4 of 50
In a vegetation community, ______ is the term most associated with
environmental equilibrium.

plant succession
climax vegetation
migration
reproductive
success

Question

5 of 50
The concept of _____ is most closely associated with climax
vegetation.
extinction
natural
selection
equilibrium
succession

Question

6 of 50
The depositional landscape that is most common is the ______.
floodplain
oxbow lake
cut-off
meander
scar

Question

7 of 50
Volcanic activity occurring deep under the Earth’s crust is called
________.
subduction
intrusive
plutonic
metamorphi
c

Question

8 of 50
_____ occurs as the main downward sloping movement of subarctic
and arctic landscapes.
Mass
wasting
Permafrost
Mud slide
Solifluction

Question

9 of 50
_____ rocks are most closely associated with erosion, compaction,
and sedimentation.
Basaltic
Igneous
Metamorphi
c
Sedimentar
y

Question

10 of 50
The _____ zone is located at the base of desert mountain ranges.
This is one of the most prominent areas of active fluvial deposition.
gibber
piedmo
nt
wadi
deflation

Question

11 of 50
Drainage networks in deserts FREQUENTLY involve _____.
exotic streams
surface runoff into bays

many interior lake
regions
basins of interior
drainage

Question

12 of 50
Both tundra and steppe vegetation zones have ________ in common.
temperate regimes
coastal locations
enormous average annual temperature
range
absence of trees

Question

13 of 50
A downthrown crustal block with a steep fault scarp on both sides is a
_________.
graben
horst
fault block
mountain
rift valley

Question

14 of 50
"Dust Bowl" conditions in the North American Great Plains of the
1930s represented ________.
changes which occurred because the climate
changed
something that will not happen again
desertification
deforestation

Question

15 of 50
Where would one expect a convection current UNDER the surface of
the Earth, directed towards the surface?
In the core
Under continents
Under subduction
zones
Under midocean ridges

Question

16 of 50
It is now apparent that desertification is
natural.
human-caused.
related to the enhanced greenhouse effect.
caused by a mix of natural and human
circumstances.

Question

17 of 50
Which of the following doesn’t belong with the others?
Dike
Rift valley
Horst
Overthrus
t

Question

18 of 50
Regarding the development of Earth’s present land surface, the belief
that past and present processes are the same is known as ________.
uniformitarianis
m
plate tectonics
foliation

diastrophism

Question

19 of 50
_____ is the rock debris that accumulates at the base of steep slopes
as a result of gravitational action.
Exfoliatio
n
Talus
Creep
Slump

Question

20 of 50
Gravity is the main force causing movement in all of the following
EXCEPT ________.
slide
creep
solifluctio
n
hydrolysi
s

Question

21 of 50
The lithosphere includes the _____.
crust and organic materials on the
crust
crust and upper mantle
hot, flexible portion of the mantle
lower, rigid portion of the mantle

Question

22 of 50
_____ plants are characterized by condensing an entire life cycle into

just a few days following a rain, followed by a long period of dormancy.
Xerophytic
Hygrophtic
Hydrophyti
c
Deciduous

Question

23 of 50
Mass wasting occurs most often as a result of _____.
freezing
temperatures
dry climates
heavy rain
hydrolysis

Question

24 of 50
The taiga or _____ is suited to the subarctic climate type and is
characterized by bogs caused by frozen subsoil and conifers.
tundra
boreal forest
midlatitude deciduous
forest
steppe

Question

25 of 50
Which one of the following would cause a loss of erosive effectiveness
of stream flow?
Steepening the stream gradient
Decreasing turbulence
Increasing channel roughness
Decreasing the resistance of the
bedrock

Question

26 of 50
Vertical displacement is NOT usually noticeable as a result of a _____
fault.
strikeslip
normal
reverse
thrust

Question

27 of 50
The east side of the Sierra Nevadas exhibits many vertically displaced
blocks known as _____.
fault scarps
synclines
overthrusts
strike-slip
faults

Question

28 of 50
Most small streams in arid climates are _____.
ephemer
al
perennial
exotic
domestic

Question

29 of 50
Streams are limited by how deeply they may cut. This limitation is
determined by _____.
grade

base
level
traction
a trellis

Question

30 of 50
Since the 1960s, the cause of plate tectonics has been identified to be
________.
diastrophis
m
convection
warping
sun spots

Question

31 of 50
Folding of crustal rocks usually results from _____ over _____ periods
of time.
lateral compression; short, intense
lateral compression; long
horizontal compression; short,
intense
horizontal compression; long

Question

32 of 50
A natural change in vegetation patterns that occurs sequentially is (a)
_____.
deciduous
succession
hypertrophi
c
food chain

Question

33 of 50
The tropical deciduous forest has a thick, diverse understory of plant
growth due to a short but pronounced
dry season.
wet season.
cold season.
summer
season.

Question

34 of 50
A(n)_____ is closely related to the concept of the boundary between
middle latitude grassland and middle latitude forest.
food chain
ecotone
biome
ecosyste
m

Question

35 of 50
Rivers such as the Nile or Colorado that originate in humid regions
and then flow through arid landscapes are called _____ streams.
gibber
barchan
s
pedimen
t
exotic

Question

36 of 50
The concept of "relief" is illustrated by which of the following?
The cessation of volcanic activity
Uplift of sediments after erosion of overlying sediments

The vertical distance between lowest and highest points in an
area
The substitution of one subaerial process for another

Question

37 of 50
In _____ weathering, a common result of oxidation in the lithosphere
is _____.
chemical; fracturing
chemical; rusting
mechanical;
hydrolysis
mechanical;
permafrost

Question

38 of 50
Most alluvial fans are _______.
in the centers of basins
in mountain canyons
composed of poorly sorted
debris
composed of bedrock

Question

39 of 50
The most common drainage pattern in the world is controlled by the
underlying land structure and is called a_____ pattern.
trellis
dendriti
c
annular
radial

Question

40 of 50
Which of the following pairs of causes and effects is typically a true
generalization?
External process: decrease local relief
External processes: poorly understood
Internal processes: wearing-down and
destructive
External processes: creative and uplifting

Question

41 of 50
The drainage pattern that resembles the veins on the underside of a
leaf is a _____ pattern.
trellis
dendriti
c
annular
radial

Question

42 of 50
As plate edges in a _____ zone crumpled, the Himalayas were
formed.
divergent
transcurren
t
convergent
rift

Question

43 of 50
The type of species removal that occurs when vegetation is naturally
replaced by another group is termed _________.
successio
n

adaption
competitio
n
migration

Question

44 of 50
Evidence of Wegener’s theory of continental drift is supported by
major rivers appearing to continue from one continent to another.
distributions of coal deposits appearing to continue from one continent to
another.
the lack of glacial deposits on southern continents.
the present day existence of Pangaea in the Atlantic Ocean.

Question

45 of 50
A fault is distinguished from a joint in that _____.
joints are a feature of only cold climates
there is a wider gap between two sides of a joint
there is no difference between faults and joints
there is no movement or displacement along
joints

Question

46 of 50
A type of weathering where joints that are curved and concentric break
away in successive layers is called ________.
exfoliatio
n
landslide
hydrolysi
s
creep

Question

47 of 50
In order to emphasize differences in elevation, the vertical scale of a
topographic profile _____.
is always five times (5 X) the horizontal
scale
is always one-fifth (1/5) the horizontal scale
can be drawn with vertical exaggeration
can be drawn with horizontal exaggeration

Question

48 of 50
At the same latitudes north and south of the Equator, tree lines occur
at different altitudes due to _________.
the varying solar radiation received by each hemisphere
the presence of few mountains in the Southern Hemisphere
the Sun usually being higher in the sky in the Northern
Hemisphere
unknown reasons

Question

49 of 50
Most of the big game mammals in Africa are naturally adapted to
which biome?
Desert
Tropical
savanna
monsoon forest
Boreal forest

Question

50 of 50
The difference in altitude between the lowest and highest points in an
area is known as
topography
.

regolith.
landscape.
relief.