Question 1

What is rotational grazing an example of?

Accepted Answer

A) sustainable grazing 
B) shelterbelts 
C) a conservation reserve program 
D) a conservation easement 
A) sustainable grazing 
B) shelterbelts 
C) a conservation reserve program 
D) a conservation easement

Question 2

How does a prairie grass access water during a drought?

Accepted Answer

A) It has many shallow roots covering a large area to reach nearby rivers or streams. 
B) It has long deep roots allowing it to reach water supplies. 
C) It has long deep roots to hold the soil in place,thus producing a more porous soil. 
D) It stays shorter in a drought and thus does not lose as much water through transpiration. 
E) Grasses are not adapted to drought,so they usually die. 
A) It has many shallow roots covering a large area to reach nearby rivers or streams. 
B) It has long deep roots allowing it to reach water supplies. 
C) It has long deep roots to hold the soil in place,thus producing a more porous soil. 
D) It stays shorter in a drought and thus does not lose as much water through transpiration. 
E) Grasses are not adapted to drought,so they usually die.

Question 3

Which of the following layers of soil gets depleted during soil erosion?

Accepted Answer

A) A horizon 
B) B horizon 
C) C horizon 
D) R horizon 
A) A horizon 
B) B horizon 
C) C horizon 
D) R horizon

Question 4

Soil erosion is often caused by _________________.

Accepted Answer

A) overgrazing by livestock 
B) soil compacting by large amounts of grazing herbivores 
C) grasses being grazed down to the growth area 
D) consumer demand for meat 
E) All of these answers are correct. 
A) overgrazing by livestock 
B) soil compacting by large amounts of grazing herbivores 
C) grasses being grazed down to the growth area 
D) consumer demand for meat 
E) All of these answers are correct.

Question 5

Refer to Infographic 3.Discuss some scenarios that could lead the healthy grass in the first picture to begin to look like the overgrazed grass in the second picture.

Accepted Answer

As the market for meat increased,the ran

Question 6

Which types of grasslands are characterized by ultra-thin layers of soil and very short growing seasons?

Accepted Answer

A) cold 
B) temperate 
C) savanna 
D) prairie 
E) rangeland 
A) cold 
B) temperate 
C) savanna 
D) prairie 
E) rangeland

Question 7

Which of the grazing methods would contribute the most to desertification?

Accepted Answer

A) continuous 
B) rotational 
C) holistic planned 
A) continuous 
B) rotational 
C) holistic planned

Question 8

What is the purpose of the Conservation Reserve Program,and what are some of the controversies surrounding it?

Accepted Answer

The purpose is to set aside overgrazed r

Question 9

What are the challenges of a planned grazing approach to grassland management?

Accepted Answer

A key challenge is determining how to di

Question 10

Designing a process,such as grazing,so that it occurs in a way that is similar to how it happens in nature is known as ______________.

Accepted Answer

A) conservation 
B) biomimicry 
C) environmentalism 
D) ecology 
A) conservation 
B) biomimicry 
C) environmentalism 
D) ecology

Question 11

What factors lead to the maintenance of grassland ecosystems in a given area?

Accepted Answer

A) the amount of precipitation 
B) the presence of grazing animals 
C) periodic wildfires 
D) the amount of precipitation,the presence of grazing animals,and periodic wildfires 
E) both the amount of precipitation and periodic wildfires 
A) the amount of precipitation 
B) the presence of grazing animals 
C) periodic wildfires 
D) the amount of precipitation,the presence of grazing animals,and periodic wildfires 
E) both the amount of precipitation and periodic wildfires

Question 12

You are working on a ranch and explaining to Jill,the head rancher,that she should use holistic planned grazing.What is the best explanation you can give to convince her?

Accepted Answer

A) Although it is the hardest to manage,it will give the best quality of pasture compared to other grazing methods. 
B) Since it is the easiest to manage,she will have to do less work to get a better-quality pasture. 
C) It will give a mid-quality pasture but be the easiest methods of managing the fields. 
A) Although it is the hardest to manage,it will give the best quality of pasture compared to other grazing methods. 
B) Since it is the easiest to manage,she will have to do less work to get a better-quality pasture. 
C) It will give a mid-quality pasture but be the easiest methods of managing the fields.

Question 13

As desertification of grasslands continues,smaller amounts of food will be available to feed humanity.What might be some of the consequences of the desertification of grasslands?

Accepted Answer

A) increased starvation 
B) movement of people from one area to another 
C) social unrest 
D) physical conflict between people of different cultures 
E) All of these answers are correct. 
A) increased starvation 
B) movement of people from one area to another 
C) social unrest 
D) physical conflict between people of different cultures 
E) All of these answers are correct.

Question 14

What is the main use of grasslands today by humans?

Accepted Answer

A) for recreational use 
B) growing food for humans 
C) as a food source for large grazing animals 
D) for energy production 
E) for housing construction 
A) for recreational use 
B) growing food for humans 
C) as a food source for large grazing animals 
D) for energy production 
E) for housing construction

Question 15

Which of the following processes contribute to the process of desertification?

Accepted Answer

A) overgrazing by livestock 
B) global warming 
C) soil erosion 
D) overgrazing by livestock,global warming,and soil erosion 
E) both overgrazing by livestock and global warming 
A) overgrazing by livestock 
B) global warming 
C) soil erosion 
D) overgrazing by livestock,global warming,and soil erosion 
E) both overgrazing by livestock and global warming

Question 16

Which of the following does NOT explain how grazing can be beneficial to a grassland?

Accepted Answer

A) Clipping off the top part allows the sunlight to get to the new shoots. 
B) Hooves can break up soil,allowing water to penetrate. 
C) Breaking up soil with hooves allows new seeds to germinate. 
D) Defecation and urination from grazers adds phosphorus and nitrogen to the soil. 
E) Chewing a grass down to its roots helps it rejuvenate. 
A) Clipping off the top part allows the sunlight to get to the new shoots. 
B) Hooves can break up soil,allowing water to penetrate. 
C) Breaking up soil with hooves allows new seeds to germinate. 
D) Defecation and urination from grazers adds phosphorus and nitrogen to the soil. 
E) Chewing a grass down to its roots helps it rejuvenate.

Question 17

Which statement is INCORRECT?

Accepted Answer

A) The Great Plains are a type of temperate grassland. 
B) The Great Plains lie between the Mississippi River and the Rocky Mountains. 
C) The Great Plains are also known as a rangeland. 
D) The Great Plains stretch from Texas to Canada. 
E) None of these answers is incorrect. 
A) The Great Plains are a type of temperate grassland. 
B) The Great Plains lie between the Mississippi River and the Rocky Mountains. 
C) The Great Plains are also known as a rangeland. 
D) The Great Plains stretch from Texas to Canada. 
E) None of these answers is incorrect.

Question 18

The grassland that is found in cold climates is known as a ____________________.

Accepted Answer

A) pampa 
B) steppe 
C) tall-grass prairie 
D) savanna 
E) northern mixed grass prairie 
A) pampa 
B) steppe 
C) tall-grass prairie 
D) savanna 
E) northern mixed grass prairie

Question 19

The grassland protection mechanism that helps to reduce soil erosion,reduce water pollution,and increase wildlife habitat is known as ______________________.

Accepted Answer

A) conservation easement 
B) a conservation reserve program 
C) park status 
D) a shelterbelt 
A) conservation easement 
B) a conservation reserve program 
C) park status 
D) a shelterbelt

Question 20

What did Allan Savory notice about the lands grazed by wild animals at the Africa Centre for Holistic Management?

Accepted Answer

A) The plants were more abundant. 
B) The rivers were cleaner. 
C) There was more plant diversity. 
D) The rivers were better stocked. 
E) All of these answers are correct. 
A) The plants were more abundant. 
B) The rivers were cleaner. 
C) There was more plant diversity. 
D) The rivers were better stocked. 
E) All of these answers are correct.

Exam 20: soil Resources and Grasslands Restoring the Range

What is rotational grazing an example of?

How does a prairie grass access water during a drought?

Which of the following layers of soil gets depleted during soil erosion?

Soil erosion is often caused by _________________.

Refer to Infographic 3.Discuss some scenarios that could lead the healthy grass in the first picture to begin to look like the overgrazed grass in the second picture.

Which types of grasslands are characterized by ultra-thin layers of soil and very short growing seasons?

Which of the grazing methods would contribute the most to desertification?

What is the purpose of the Conservation Reserve Program,and what are some of the controversies surrounding it?

What are the challenges of a planned grazing approach to grassland management?

Designing a process,such as grazing,so that it occurs in a way that is similar to how it happens in nature is known as ______________.

What factors lead to the maintenance of grassland ecosystems in a given area?

You are working on a ranch and explaining to Jill,the head rancher,that she should use holistic planned grazing.What is the best explanation you can give to convince her?

As desertification of grasslands continues,smaller amounts of food will be available to feed humanity.What might be some of the consequences of the desertification of grasslands?

What is the main use of grasslands today by humans?

Which of the following processes contribute to the process of desertification?

Which of the following does NOT explain how grazing can be beneficial to a grassland?

Which statement is INCORRECT?

The grassland that is found in cold climates is known as a ____________________.

The grassland protection mechanism that helps to reduce soil erosion,reduce water pollution,and increase wildlife habitat is known as ______________________.

What did Allan Savory notice about the lands grazed by wild animals at the Africa Centre for Holistic Management?

environmental Literacy and Sustainability Lessons From a Vanished Society

Science Literacy and the Process of Science Fungal Attacker Threatens North American Bats

Information Literacy and Toxicology Lead in the Water

Ecosystems and Nutrient Cycling Engineering Earth

Population Ecology Gray Wolves Return to Yellowstone

Community Ecology the Florida Everglades: a Community in Cris

evolution and Extinction a Tropical Murder Mystery

Biodiversity Palm Oil Plantations Threaten Tropical Forests

Preserving Biodiversity a Forest Without Elephants

Human Populations the Kerala Model

Urbanization and Sustainable Communities Creating Green Cities

Environmental Health Eradicating a Parasitic Nightmare

ecological Economics and Consumption Wall to Wall, Cradle to Cradle

environmental Policy the World Tackles Ozone Depletion

managing Solid Waste a Plastic Surf

Freshwater Resources Toilet to Tap

Water Pollution Suffocating the Gulf

marine Ecosystems Ocean Acidification: the Other Co2 Problem

Forests Returning Trees to Haiti

Mineral Resources No Stone Unturned

Feeding the World a Gene Revolution

sustainable Agriculture: Raising Crops Farming Like an Ecosystem

Agriculture: Raising Livestock Can Meat Be Part of a Healthy, Environmentally Conscious Diet

Fisheries and Aquaculture Fish in a Warehouse

coal Bringing Down the Mountain

Oil and Natural Gas the Bakken Oil Boom

Air Pollution the Youngest Scientists

global Climate Change Climate Refugees

Nuclear Power the Future of Fukushima

Sun, Wind, Water, and Earth Energy Fueled by the Sun

Biofuels Gas From Grass

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