Environmental science quiz

Question 1

What are rangelands?

Answer 1

Rangelands are native grasslands, woodlands, wetlands, and deserts that are grazed by domestic or wild animals

Question 2

Rangelands make up about __% of the landmass of the U.S and __% of it is in the western US

Answer 2

40, 80

Question 3

What is soil erosion

Answer 3

Soil erosion is the movement of weathered rock or soil components from one place to another and is caused by flowing water, wind and human activity

Question 4

what is soil degradation

Answer 4

the decline in soil condition caused by improper use/poor managment

Question 5

What are irrigation methods

Answer 5

controlled amount of water released

Question 6

__%of all freshwater used on earth is used for agriculture and __% is lost to leakage etc

Answer 6

75, 75

Question 7

Tillage

Answer 7

Surface is plowed and broken up to expose the soil

Activating pesticides
burying
leveling

surface runoff
soil organisms
erosion

Question 8

Since 2000, the area under drip irrigation had increased by 650%

Answer 8

650

Question 9

Conventional flood irrigation, drip methods can reduce the volume of water applied to fields up to__%, while increasing crop yields up to __%

Answer 9

70, 90

Question 10

Almost % of the world’s farmland that is irrigated yields up to % of the worlds food supply

Answer 10

20 and 40

Question 11

California accounts for over % of the US use of drip irrigation

Answer 11

60

Question 12

Less than % of the worlds irrigated land utilizes drip irrigation

Answer 12

4

Question 13

Ogala Auqifier

Answer 13

shallow water aquifer surrounded by clay, gravel, sand, and silt located beneath the Great Plains of the US

Large Scale extraction of water used for agricultural purposes

is at risk for over extraction and pollution is causing

Question 14

Biological and Carbamate Pesticides

Answer 14

Biological-living organisms can control pests(sterile insect technique)

Carbamate(urethanes)-affect the nervous system of pests, swelling of tissue occurs
(Soluble which is easy to pollute water)

Question 15

Persistent Organic Pollutants

Answer 15

An organic group of chemical compounds that do not break down through chemical or biological processes. can accumulate in the tissues of the living organisms

Question 16

The pesticide treadmill

Answer 16

Decreased susceptibility of a pest population to a pesticide that was previously effective

Question 17

Integrated Pest Management(IPM)

Answer 17

Is an ecological pest control that uses a combination of biological, chemical and physical methods

reduced the use of pesticides and is a last resort

Question 18

Delaney Clause

Answer 18

Prohibits FDA from approving food additives that cause cancer

applied to 400 of the 2700 substances added to foods, many of which that are recognized as Generally Recognized as Safe(GRAS).

Question 19

Concentrated Animal Feeding Operation (CAFO)

Answer 19

animals feeding intensive operation; large number of animals are confined to a feeding pens for over 45 days a year

risk to water and aquatic organisms

Question 20

The pollution caused by CAFOs are

Answer 20

nitrogen and phosphorus

Question 21

Ruminant livestock are responsible for % of anthropogenic greenhouse gas emissions released per year

Answer 21

35

Question 22

in the US livestock are responsible for % of greenhouse gasses and over % of greenhouse gases through digestion

Answer 22

18 and 7

Question 23

livestock responsible for % of anthropogenic methane emissions

CAFO global methan production is said to increase by % by 2030

Answer 23

30 and 60

Question 24

Catch per person has dropped % and the output for fish farming has increased by %

Answer 24

30 and 95

Question 25

Shallow coastal waters make up Less than % of the world oceans and % of all marine life

Answer 25

10 and 90

Question 26

World's oceans supply approximately % if all human food and represent % of the world's protein sources

Answer 26

1 and 10

Question 27

Aquaculture is aka what Growing up about % annually and provides % go the total food production worldwide

Answer 27

Mariculture or fish farming 6 and 5

Question 28

Aqualculture raises about % of all mollusks, % of all shrimp and % of all kelp

Answer 28

80 and 40 and 75

Question 29

What is smart growth

Answer 29

Is an urban(cities) planning and transportation plan designed to slow urban sprawl and concentrate growth in compact(Urban villages) Walkable friendly

Question 30

Urban development

Answer 30

Is the process of deigning and shaping the physical features of cities and towns(blending commercial, industrial and residential areas

Question 31

Urban runoff

Answer 31

Caused by urbanization source of flooding and pollution Impervious surfaces can carry polluted water into drains instead of ocean or soil-lowing water table

Question 32

Ecological foorprint

Answer 32

Measure of human demands on the Earth's ecosystem and is a standardized measure of demand for natural capital(air, soil, water, all living things)

Question 33

Currently, each human on earth uses __ global hectares on earth resources per person worldwide, which is __% more than __ global hectares currently available per person

Answer 33

2.8, 75% and 1.6

Question 34

Sustainable agriculture practices emphasizes...

Answer 34

...production and food systems that are profitable, environmental sound, and energy efficient, and the improve the quality of life for both farmers and the public(enhancing health

Question 35

what are edge effects

Answer 35

how the local environment changes along some type of boundary or edge Tree canopies provide the ground below wish shade(cooler and moister) local environmental changes like climate

Question 36

% of food in stores are genetically modified

Answer 36

80

Question 37

Pros of GMOS

Answer 37

cheaper less spoilage less water less disease grow anywhere profit

Question 38

Cons of GMOS

Answer 38

-sterile -not safe -toxins and allergens -pesiticde resistant strains -allergen risks -harmful mutations -Cological effects

Question 39

what leads to soil erosion

Answer 39

Improper plowing Monoculture Overgrazing Removing crops instead of plowing organic material inside Row cropping

Question 40

Soil degradation is the decline of the soil condition

Question 41

Water logging

Answer 41

Saturation of soil with water, resulting in a rise in the water table

Question 42

Desertifcation

Answer 42

Productive potential of arid or semiarid land falls by at least 10 % due to human activity