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WorksheetsEcoregions of Texas
Total questions: 84
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
Flood water pounding against a canyon wall and wearing it down
a)
Weathering
b)
Erosion
c)
Deposition
2.
Rain washing away soil from a hillside
a)
Weathering
b)
Erosion
c)
Deposition
3.
Waves dropping sand on the beach
a)
Weathering
b)
Erosion
c)
Deposition
4.
Muddy water being carried away by a fast-moving river
a)
Weathering
b)
Erosion
c)
Deposition
5.
At the beach which agent of erosion affects the coast?
a)
Wind
b)
Water
c)
Animals
d)
Gravity
6.
The best method to prevent erosion is to
a)
remove all trees
b)
build homes
c)
grow plants
d)
mine
7.
Deltas forming at the mouths of rivers is called?
a)
Weathering
b)
Erosion
c)
Deposition
8.
Waves dropping sand on the beach is called?
a)
Weathering
b)
Erosion
c)
Deposition
9.
The following is a picture of which ecoregion? ___________
a)
Piney Woods
b)
High Plains
c)
Hill Country/Edwards Plateau
d)
Trans Pecos/Chihuahuan Desert
10.
This is a picture of the __________ ecoregion
a)
Hill country/Edwards Plateau
b)
Trans Pecos/Chihuahuan Desert
Trans Pecos/Cg
hihuahuan Desert
c)
High Plains
d)
Piney Woods
11.
This is a picture of the ___________ ecoregion of Texas.
a)
Hill country/Edwards Plateau
b)
High Plains
c)
Trans Pecos/Chihuahuan Desert
d)
Piney Woods
12.
This is a picture of the _________ ecoregion of Texas.
a)
Hill Country/Edwards Plateau
b)
Piney Woods
c)
Gulf Coast Plains and Marshes
d)
High Plains
13.
This is a picture of the __________ ecoregion of Texas.
a)
High Plains
b)
Gulf Coast Plains and Marshes
c)
Piney Woods
d)
Hill Country
14.
What is the agent of erosion that changes the way the land looks in this ecoregion?
a)
wind
b)
water
c)
ice/glaciers
d)
gravity
15.
What agent of erosion works to change the way this land looks in this ecoregion?
a)
wind
b)
water
c)
ice/glaciers
d)
gravity
16.
Why would there be less erosion in this ecoregion of Texas?
a)
not enough rain
b)
Tree and plant roots holds onto the soil
17.
What is the agent of erosion in this picture?
a)
wind
b)
water
c)
gravity
d)
waves
18.
This is a picture of what ecoregion in Texas?
a)
High Plains
b)
Piney Woods
c)
Gulf Coast Plains and Marshes
d)
Trans Pecos/Chihuahuan Desert
19.
What is the agent of erosion in this ecoregion of Texas?
a)
wind
b)
water
c)
gravity
d)
waves
20.
This is a picture of the _________ ecoregion of Texas.
a)
Hill Country/Edwards Plateau
b)
Piney Woods
c)
Gulf Coast Plains and Marshes
d)
High Plains
21.
This is a picture of the __________ ecoregion of Texas.
a)
High Plains
b)
Gulf Coast Plains and Marshes
c)
Piney Woods
d)
Hill Country
22.
This is a picture of the ___________ ecoregion of Texas.
a)
Hill country/Edwards Plateau
b)
High Plains
c)
Trans Pecos/Chihuahuan Desert
d)
Piney Woods
23.
This is a picture of what ecoregion in Texas?
a)
High Plains
b)
Piney Woods
c)
Gulf Coast Plains and Marshes
d)
Trans Pecos/Chihuahuan Desert
24.
The Gulf Prairies and Marshes ecoregion experiences significant soil erosion. One would expect the climate in this region to be –
a)
dry and hot.
b)
cold and snowy.
c)
wet and rainy.
d)
warm and humid.
25.
The tall rock formations with smooth surfaces in Big Bend
National Park were formed over time by -
National Park were formed over time by -
a)
rock deposition.
b)
water erosion.
c)
local vegetation.
d)
wind weathering.
26.
In the Edwards Plateau, the limestone rocks are highly
vulnerable to chemical and physical weathering. Which of the following land formations would be expected in this area?
vulnerable to chemical and physical weathering. Which of the following land formations would be expected in this area?
a)
Canyons
b)
Lakes
c)
Rivers
d)
Caves
27.
Canyons are formed by -
a)
earthquakes breaking rock layers apart.
b)
wind smoothing out rock formations.
c)
lava flowing from nearby volcanoes.
d)
rivers carrying sediments that weather and erode land.
28.
The Blackland Prairie ecoregion of Texas has many exposed boulders that are smooth and rounded. What feature of this area caused the boulders to take on these characteristics?
a)
Moving glaciers
b)
Wind-blown sand and rain
c)
Wave and current actions
d)
Deep and rapid rivers
29.
The illustration provided shows exposed layers of
sedimentary rock in the High Plains region of Texas. Which of the following best explains the uneven nature of the exposed rock layers?
sedimentary rock in the High Plains region of Texas. Which of the following best explains the uneven nature of the exposed rock layers?
a)
Different types of rock weather at different rates when exposed.
b)
Wind speeds vary greatly over time in this region of Texas
c)
An ancient river deposited sediments at different rates over time.
d)
Glacier movement always creates uneven rock formations.
30.
The map shows the various ecoregions of Texas. Which ecoregion is most vulnerable to wind erosion from hurricanes originating in the Gulf of Mexico?
a)
Post Oak Savannah
b)
Blackland Prairies
c)
Edwards Plateau
d)
Gulf Prairies and Marshes
31.
Sand dunes are large piles of sand that can be found in the
desert. What causes these sand dunes to form?
desert. What causes these sand dunes to form?
a)
Water
b)
Wind
c)
Ice
d)
Volcanoes
32.
From the distinct shapes of sand dunes and their features in a desert, a geologist could most likely determine which of the following?
a)
Direction of the prevailing wind
b)
Daily high and low temperatures
c)
Amount of water nearby
d)
Age of the formations
33.
The Gulf Prairies and Marshes ecoregion experiences significant soil erosion. One would expect the climate in this region to be –
a)
dry and hot.
b)
cold and snowy.
c)
wet and rainy.
d)
warm and humid.
34.
The tall rock formations with smooth surfaces in Big Bend
National Park were formed over time by -
National Park were formed over time by -
a)
rock deposition.
b)
water erosion.
c)
local vegetation.
d)
wind weathering.
35.
The Brazos River is the longest river in Texas, emptying into the Gulf of Mexico. What type of land formation would you expect to find where the river deposits sediments as it
reaches the Gulf?
reaches the Gulf?
a)
A cave
b)
A mountain
c)
A delta
d)
A valley
36.
In the Edwards Plateau, the limestone rocks are highly
vulnerable to chemical and physical weathering. Which of the following land formations would be expected in this area?
vulnerable to chemical and physical weathering. Which of the following land formations would be expected in this area?
a)
Canyons
b)
Lakes
c)
Rivers
d)
Caves
37.
High rains cause the flow in a river to increase. The increase in the river’s flow will most likely have which of the following effects on the environment?
a)
The banks of the river will experience increased erosion.
b)
The river will deposit less material onto its delta.
c)
The path of the river will become more crooked.
d)
The river will dry out completely in a few days.
38.
Weathering of Earth’s surface can have which of the following
effects?
effects?
a)
Movement of sediment
b)
Depositing of sediment in a new place
c)
Breaking down of rocks
d)
Building of mountains
39.
Canyons are formed by -
a)
earthquakes breaking rock layers apart.
b)
wind smoothing out rock formations.
c)
lava flowing from nearby volcanoes.
d)
rivers carrying sediments that weather and erode land.
40.
A valley will take on a U-shape as a result of the movement
of -
of -
a)
Glaciers
b)
Wind
c)
Flowing water
d)
Waves
41.
The Texas High Plains region does not receive much rain. It is reasonable to predict that this region, compared to other ecoregions, would have -
a)
less soil erosion.
b)
larger river deltas.
c)
many mountains.
d)
sandy beaches.
42.
The illustration provided shows exposed layers of
sedimentary rock in the High Plains region of Texas. Which of the following best explains the uneven nature of the exposed rock layers?
sedimentary rock in the High Plains region of Texas. Which of the following best explains the uneven nature of the exposed rock layers?
a)
Different types of rock weather at different rates when exposed.
b)
Wind speeds vary greatly over time in this region of Texas
c)
An ancient river deposited sediments at different rates over time.
d)
Glacier movement always creates uneven rock formations.
43.
The Rolling Plains region of Texas has a number of deep
canyons. One would expect this region to have -
canyons. One would expect this region to have -
a)
Moving glaciers
b)
Volcanoes
c)
Flowing rivers
d)
High wind
44.
The Blackland Prairie ecoregion of Texas has many exposed boulders that are smooth and rounded. What feature of this area caused the boulders to take on these characteristics?
a)
Moving glaciers
b)
Wind-blown sand and rain
c)
Wave and current actions
d)
Deep and rapid rivers
45.
Which ecoregions receive the most precipitation?
a)
Region 4 Gulf Coast Prairies and Marshes
b)
Region 7 Edwards Plateau
c)
Region 10 High Plains
d)
Region 11 Trans Peco
46.
Which ecoregion of Texas is most likely to be most affected by wind erosion creating sand dunes and does receive rain, it can lead to flash floods, which can weather and erode the rocks and sediment.
a)
Region 4 Gulf Coast Prairies and Marshes
b)
Region 7 Edwards Plateau
c)
Region 10 High Plans
d)
Region 11 Trans Peco
47.
Which ecoregion has a presence of plants and trees helps to prevent soil erosion during rainfall events?
a)
Region 1 Piney Woods
b)
Region 4 Gulf Coast Prairies and Marshes
c)
Region 7 Edwards Plateau
d)
Region 10 High Plans
48.
Which ecoregion have large amounts of limestone rock formations, which are vulnerable to chemical weathering, which has led to the formation of a large cave system underground?
a)
Ecoregion 1 Piney Woods
b)
Ecoregion 4 Gulf Coast Prairies and Marshes
c)
Ecoregion 7 Edwards Plateau
d)
Ecoregion 11 High Plans
49.
The map above shows a meandering river. Points A and B are located on (outside) the banks of the river.
What are the dominant processes occurring at locations A and B?
What are the dominant processes occurring at locations A and B?
a)
Deposition at location A; Erosion at the location B
b)
Erosion at location A; Deposition at location B
c)
Deposition at both locations A and B
d)
Erosion at both locations A and B
50.
The illustration above describe which landform that forms from a deposition of sediment carried by a river as the river enters an ocean, sea, estuary, lake, and reservoir?
a)
Beach
b)
Delta
c)
Canyon
d)
Alluvial fans
51.
The landform is above is an example of a(n)
a)
Beach (a pebbly or sandy shore)
b)
Delta (deposition of sediment into slow-moving or standing water)
c)
Canyon ( stream or river flowing through a deep valley with steep sides)
d)
Alluvial fan (deposition of sediment created by flowing water through mountains, hills, or canyons)
52.
Chemical pesticides are sometimes sprayed on crops to kill insects that eat the crops.
Which might be a concern about using pesticides in aquifers?
Which might be a concern about using pesticides in aquifers?
a)
grow food and clean groundwater
b)
keep food fresh and filter water
c)
cause runoff that pollutes creeks and rivers
d)
kill insects and improve the growth of crops
53.
The arrows are pointing to which feature of the river?
a)
deltas
b)
floodplain
c)
meanders
d)
tributaries
54.
Why is water from an aquifer more likely to be cleaner than water from other sources?
a)
because it forms where fresh and salt water meet
b)
because it receives water directly from precipitation
c)
because it rises to the surface near the ocean
d)
because pollutants are filtered by rock and soil deep within Earth
55.
Animal wastes contain bacteria that make organisms sick. These wastes are often washed in water supplies by storms.
How might a pet owner prevent these bacteria from polluting water supplies?
How might a pet owner prevent these bacteria from polluting water supplies?
a)
Brush the pet daily to remove bacteria
b)
Feed pets food that produces less waste
c)
Bag the pet waste and throw it the trash
d)
Wash the pet with shampoo to kill the bacteria
56.
Which are examples of non-point pollution?
a)
Oil, grease and toxic chemicals from urban runoff
Oil, grease and toxic chemicals from urban runoff
b)
Sediment from improperly managed construction sites, crop and forest lands,
c)
Bacteria and nutrients from livestock and pet waste
d)
All the above
57.
Based on the above diagram, which type of pollution has the greatest effect on groundwater?
a)
Self-pollination
b)
Insect pollination
c)
Wind pollution
d)
Human pollution
58.
Stream table containing sand is forming
a)
weathering, erosion and deposition of sand/sediment to form a delta
b)
weathering, erosion and deposition of sand/sediment to form a mountain
c)
weathering, erosion, and deposition of sand/sediment to form canyon
d)
weathering, erosion, and deposition of sand/sediment to form plateau
59.
Which human activity will most likely increase the amount of soil erosion?
a)
growing crops
b)
planting flowers
c)
mowing the grass
d)
clear-cutting trees/vegetation
60.
Which is most important for a community to consider if it decides to add more businesses, homes, and schools to the area?
a)
the local weather condition
b)
the local bird population
c)
the local water supply
d)
local school system
61.
Which describes a nonpoint source of pollution?
a)
accumulation of oil in a stream next to a gasoline station
b)
chemical spill in a river next to a manufacturing complex
c)
runoff from a road into a nearby stream
d)
liquid fertilizer flowing from a barrel into a stream
62.
How can a city help prevent water pollution in nearby lakes and rivers?
a)
Remove weeds growing near the lakes and rivers.
b)
Prevent runoff of waste materials into lakes and rivers.
c)
Use solar cells as a source of energy.
d)
Recycle paper and cardboard.
63.
What is a major cause of acid rain pollution?
a)
the use of fertilizers
b)
the spraying of pesticides
c)
the burning of fossil fuels
d)
the decaying of dead plants and animals
64.
Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and pollution the air.
Which of the following landforms are created by wind erosion?
Which of the following landforms are created by wind erosion?
a)
arches and faults
b)
sand dunes and arches
c)
meanders and moraines
d)
moraines and sand dune
65.
Sandunes are large piles of sand that can be found in the desert. What causes these sand dunes to form?
a)
water
b)
wind
c)
volcanoes
d)
earthquakes
66.
Weathering of Earth's surface can have which of the following effects?
a)
building mountains
b)
creating hurricanes
c)
breaking down rocks
d)
causing lava flow
67.
Canyons are formed by...
a)
earthquakes breaking rock layers apart
b)
wind smoothing out rock formations
c)
lava flowing from nearby volcanoes
d)
rivers carrying sediments that erode land
68.
Sediments, which are deposited at the mouth of the river create a ...
a)
lake
b)
volcano
c)
canyon
d)
delta
69.
A valley will take a U-shape as a result of the movement of...
a)
glaciers
b)
wind
c)
lava
d)
sand
70.
Which of the following will most likely increase the amount of erosion that occurs on the banks of a river?
a)
Heavy rains on the mountain that is the river's water source
b)
High winds over the ocean to which the river flows
c)
High temperatures increasing evaporation from the river
d)
Ice formation at the source of the river
71.
The Texas High Plains region does not receive much rain. It is reasonable to predict that this region, compared to other ecoregions, would have...
a)
less soil erosion
b)
large river deltas
c)
many mountains
d)
sandy beaches
72.
In Galveston, the beaches are often exposed to hurricanes originating in the Gulf of Mexico. It is reasonable to predict that hurricane activity may...
a)
create new rivers near Galveston
b)
move sand from the beach to offshore sand bars
c)
cause local earthquakes after the storm
d)
create new river deltas along the beaches
73.
The Rolling Plains region of Texas has a number of deep canyons. One would expect this region to have...
a)
moving glaciers
b)
deep lakes
c)
flowing rivers
d)
high winds
74.
The Blackland Prairies ecoregion of Texas has many exposed boulders that are smooth and rounded. What feature of this area caused the boulders to take on these characteristics?
a)
hurricane activity
b)
wind-blown sand and rain
c)
severe droughts
d)
deep and rapid rivers
75.
Rivers carry and deposit sediments all along their course. Where will the sediments made of the largest and heaviest particles be deposited?
a)
Near the start of the river where the water travels fastest
b)
In locations where the river banks are the widest
c)
In locations where the river banks are the most narrow
d)
At the river's mouth where the river meets the ocean
76.
Tornadoes can negatively affect an ecosystem when
a)
the saltwater they bring kills off burrowing insects
b)
their strong winds uproot many of the important plants
c)
the rise in water level they produce introduces harmful salt
d)
they bring higher temperatures favored by birds
77.
In a marsh ecosystem that experiences a hurricane, which of the following would be the most likely affect?
a)
A loss of plant life from saltwater brought in by the storm surge
b)
More burrowing animals live in the deeper soil layers
c)
Death of most organisms due to fires from lightning strikes
d)
Increase in diversity among organisms due to more competition
78.
Which of the following is the most likely effect on flooding on an ecosystem?
a)
Increase in organisms that reproduce in fresh water
b)
More rapid growth of grasses and shrubs
c)
Fish that feed on plants will have to compete more
d)
Nutrients will increase in deeper layers of the soil
79.
A forest fire can have which of the following positive effects?
a)
Provides heat mammals need in colder seasons
b)
Increases annual rainfall by forming more clouds
c)
Clears underbrush to allow new plants to grow
d)
Drives away predators that eat smaller animals
80.
Hurricanes can harm plants in coastal ecosystems in all of the following ways EXCEPT...
a)
high winds knocking down trees
b)
soil washing away due to high water
c)
clouds blocking the Sun for too long
d)
storm surge moving saltwater onto land
81.
The gradual wearing down of a geological formation due to physical or chemical changes to the surface of rocks is called...
a)
Deposition
b)
Weathering
c)
Erosion
d)
Abiotic Factors
82.
What is it called when sediment created by weathering and moved by erosion settles in a different location due to gravity?
a)
Erosion
b)
Abiotic Factors
c)
Weathering
d)
Deposition
83.
_____________ is when the rock or soil of Earth's surface is moved to another location by water, wind or ice.
a)
Deposition
b)
Weathering
c)
Erosion
d)
Abiotic Factors
84.
From the distinct shapes of sand dunes and their features in a desert, a geologist could most likely determine which of the following?
a)
Direction of the prevailing wind
b)
Daily high and low temperatures
c)
Amount of water nearby
d)
Age of the formations
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