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- 1. Multiple Choice
Which Texas ecoregion would most likely have the most evidence of erosion by water?
Gulf Coast Prairies and Marshes
Plains
Prairies
Plateau & Desert/Montane
- 2. Multiple Choice
Most Texas ecoregions are experiencing accelerated rates of _________ that are changing the natural communities within the ecosystems.
Weathering
Erosion
Deposition
Land formation
- 3. Multiple Choice
This Texas ecoregion experiences little erosion due to its rich soil with much vegetation where trees are the main plant life.
Woodlands
Plateau and Desert/Montane
Plains
Prairies
- 4. Multiple Choice
Weathering can have which of the following effects in Texas?
Sediment reaching the coast
Building of mountains in west Texas
Breaking down of rocks such as at Enchanted Rock
All the above
- 5. Multiple Choice
Deposition can have which of the following effects in Texas?
Rounding or sharpening of rocks
Forming of sand dunes at the coast
Breaking down of rocks such as at Enchanted Rock
All the above
- 6. Multiple Choice
Erosion can have which of the following effects in Texas?
Shoreline of the coast to move landward
Building of mountains in west Texas
Breaking down of rocks such as at Enchanted Rock
All the above
- 7. Multiple Choice
What was the effect of overgrazing in the Desert/Montane?
Increased erosion of the soil
Change from a grassland to desert
Plant life is scarce
All the above
- 8. Multiple Choice
The landscape of the Texas Prairies has changed due to _____.
periodic fires
grazing of bison and livestock
humans making cropland/farmland
All the above
- 9. Multiple Choice
In the Plains, soil erosion due to rain is lessened by ______.
plenty vegetation ground cover
plowing and planting along curves
efficient irrigation systems that use less water
All the above
- 10. Multiple Choice
In the Plains, droughts reduce the amount of plants causing erosion from _____ to be worse.
wind
rain
ice
gravity
- 11. Multiple Choice
The Gulf Coast Prairies and Marshes are often exposed to tropical storms originating in the Gulf of Mexico. Which of the following are effects on the coastline?
reshaped by high winds and waves
eroded and covered by water
shoreline moves landward
All the above
- 12. Multiple Choice
In the Woodlands, erosion by runoff is minimal due to ______.
dense forests hold soil in place
sediments are released into runoff
fires have been going on for many years
All the above
- 13. Multiple Choice
Which of the following is a human use of the Gulf Coast Prairies that increases erosion?
grazing of bison
urban development
logging
All the above
- 14. Multiple Choice
Only 1 percent of tall grass remains in the Texas Prairies ecoregion. What can humans do to prevent erosion?
restart periodic fires
be irresponsible with development on the land
replant native plants, such as dense grasses
All the above
- 15. Multiple Choice
Identify the similarity between these 3 ecoregions: Prairies, Plains, and Woodlands.
Fire has changed the land
Water erosion constantly reshapes the land
Overgrazing has removed almost all native plants
All the above
- 16. Multiple Choice
In the Woodlands, erosion by runoff is minimal. What is a positive result from this?
maintains water quality in bays and estuaries
holds floodwaters
microorganisms in the water make pollutants less harmful
All the above
- 17. Multiple Choice
Identify the similarity between these 3 ecoregions: Gulf Coast Prairies & Marshes, Plains, and Plateau & Desert/Montane.
Periodic fires used to maintain grass
Wind erosion affects the land
Native plants are scarce
All the above
- 18. Multiple Choice
All human development _____ the rate of erosion on the land.
decreases
increases
- 19. Multiple Choice
Define Ecoregion
spots in Texas
an area defined by its environment
locations
sections
- 20. Multiple Choice
Which ecoregion has the least amount of vegetation?
Trans Pecos
Cross Timbers
South Texas Plains
Post Oak Savannah
- 21. Multiple Choice
Which ecoregion has the least amount of vegetation?
Trans Pecos
Cross Timbers
South Texas Plains
Post Oak Savannah
- 22. Multiple Choice
Which ecoregion has the most abundant water resource?
Trans Pecos
Gulf Coast Prairies and Marshes
Rolling Plains
High Plains
- 23. Multiple Choice
What type of weathering is this?
Physical aka Mechanical Weathering
Chemical Weathering
Biological Weathering
All of these are correct
- 24. Multiple ChoicePlants prevent soil erosion by-holding dirt in place with their rootsproviding food for herbivoresthe process of photosynthesisreleasing water into the atmosphere through transpiration
- 25. Multiple ChoiceAt which two locations in this stream is deposition normally dominant over erosion?A and DB and EC and ED and C
- 26. Multiple ChoiceThe following is a picture of which ecoregion? ___________Piney WoodsHigh PlainsHill Country/Edwards PlateauTrans Pecos/Chihuahuan Desert
- 27. Multiple ChoiceThis is a picture of the __________ ecoregion of Texas.High PlainsGulf Coast Plains and MarshesPiney WoodsHill Country
- 28. Multiple ChoiceThis is a picture of the _________ ecoregion of Texas.Hill Country/Edwards PlateauPiney WoodsGulf Coast Plains and MarshesHigh Plains
- 29. Multiple ChoiceThis is a picture of the __________ ecoregionHill country/Edwards Plateau
Trans Pecos/Chihuahuan Desert
Trans Pecos/Cghihuahuan Desert
High PlainsPiney Woods - 30. Multiple ChoiceRain washing away soil from a hillsideWeatheringErosionDeposition
- 31. Multiple ChoiceFlood water pounding against a canyon wall and wearing it downWeatheringErosionDeposition
- 32. Multiple ChoiceWaves dropping sand on the beachWeatheringErosionDeposition
- 33. Multiple ChoiceMuddy water being carried away by a fast-moving riverWeatheringErosionDeposition
- 34. Multiple ChoiceWhich of the following would be the "most effective" action that humans could take to keep a barrier island from washing away?plant lots of trees, bushes, and grass on the islandlimit the number of people that can come onto the islandbuild a bridge from the island to the mainlandstop building houses and roads on the island
- 35. Multiple ChoiceIn 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?CanyonsLakesRiversCaves - 36. Multiple ChoiceThe 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?Different types of rock weather at different rates when exposed.Wind speeds vary greatly over time in this region of TexasAn ancient river deposited sediments at different rates over time.Glacier movement always creates uneven rock formations. - 37. Multiple ChoiceWhich of the following describes large areas of ground that fall or flow on slopes due to gravity?floodshurricaneslandslideswildfires
- 38. Multiple Choice
Which Texas region has the lowest elevation?
Great Plains
Mountains and Basins
Coastal Plains
North Central Plains
- 39. Multiple Choice
Which Texas region has the greatest amount of precipitation?
Great Plains
Mountains and Basins
North Central Plains
Coastal Plains
- 40. Multiple Choice
Texas Region that has coolest annual temperature, pretty dry, very windy.
Coastal Plains
North Central Plains
Panhandle
Mountains and Basins
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