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Myclass > Enviromental Final Exam Study Guide > Flashcards

Enviromental Final Exam Study Guide Flashcards

1
Q

An example of ____ is tigers that live in warm climates have thinner coats than tigers living in cool climates.

A

Genetic diversity

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2
Q

____ is the most direct way that biodiversity provide a source of income

A

Ecotourism

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3
Q

An example of ____ is tigers living on one mountain are separated from tigers that live on other mountain regions

A

Habitat fragment

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4
Q

____ is a region that has many types of organisms like tigers, birds, fish, etc.

A

Species diversity

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5
Q

____ is the highest level of biodiversity

A

Ecosystem diversity

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6
Q

____ is when a population disappears from an area but does not disappear globally

A

Extirpation

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7
Q

____ is a species at risk of becoming extinct

A

Endangered species

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8
Q

The biggest cause of ____ is habitat change and fragmentation

A

Biodiversity loss

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9
Q

The ____ Act protect biodiversity

A

Endangered species

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10
Q

The ____ Has no sunlight and photosynthesis cannot occur

A

Aphotic zone

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11
Q

The ____ has more life

A

Photic zone

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12
Q

Lakes, Wetlands, and ponds are all ____

A

Freshwater ecosystems

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13
Q

____ use similarities between ecosystems to classify them into biomes

A

Ecologists

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14
Q

____ is the rate which plants and algae convert solar energy into energy stored in organic sugars

A

Gross primary production

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15
Q

The understory in tropical rain forests have large, flat leaves that allow maximum surface for ____

A

Light absorption

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16
Q

____ does not lose their leaves at all during the year

A

Coniferous trees

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17
Q

Under the ____ National forests can be harvested only where soils will not be damaged

A

National Forest Management Act

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18
Q

____ of Earths surface is covered by forests

A

30%

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19
Q

____ is clearing a forest and replacing it with another land use

A

Deforestation

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20
Q

____ requires a manager to be most flexible and open to changes when dealing with resources

A

Ecosystem-based management

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21
Q

____ is a single crop planted in an area

A

Monoculture

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22
Q

Timber, Soil, fresh water, wild animals are examples of ____

A

Renewable resource

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23
Q

A ____ is harvested sustainably if the amount of replacement is equal to the amount harvested

A

Renewable resource

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24
Q

____ shows adjustability

A

Adaptive mangement

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25
Q

____ is when you harvest the maximum amount of resources without reducing the amount of future harvested

A

Maximum sustainable yield

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26
Q

____ is harmful because it leads to massive loss of biodiversity

A

Deforestation

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27
Q

____ is important because of leads to massive loss of biodiversity

A

Sustainable agriculture

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28
Q

Most farmers who use ____ live in relatively wealthy, developed countries.

A

GM crops

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29
Q

An example of ____ is when a rock containing turns red when exposed to air and water over time

A

Chemical weathering

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30
Q

A risk of ____ is the escape of GM genes into non-GM crops

A

GM crops

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31
Q

Buying ____ is a solution to food items traveling to reach the buyer

A

Locally produced food

32
Q

____ is planting different crops in a mixed arrangement

A

Intercropping

33
Q

____ is also known as the leaching layer

A

E horizon

34
Q

Most of the nutrients in soil comes from ____

A

Decomposition

35
Q

____ began 10,000 years ago in the Middle East.

A

Agriculture

36
Q

____ is deterioration of the soils fertility and ability to provide ecosystem services

A

Soil degradation

37
Q

____ reduce erosion in regions with strong winds and little natural forest pests

A

Shelterbelts

38
Q

Soil texture is based on ____

A

Particle size

39
Q

One side effect of ____ use is pesticides kill important pollinators and insect pests

A

Pesticide

40
Q

Mid 1900s introduced ____ and chemical pestocides

A

Synthetic fertilizers

41
Q

____ is when you have a lot of aphids and greenflies, you introduce lady bugs and use limited pesticide

A

Intergrated pest management

42
Q

____ is both high yield and high input

A

Industrial agriculture

43
Q

____ is an example of a soil parent material

A

Volcanic ash

44
Q

____ have increased in recent years

A

Organic products

45
Q

____ is a type of soil with the smallest particle size

A

Clay

46
Q

____ provides water by way of human-constructed structures

A

Irrigation

47
Q

____ is the mass of solid rock that makes up the earths crust

A

Bedrock

48
Q

____ filter through the ground and pollute groundwater create porous qualities of soil

A

Pesticides

49
Q

____ the area a farmer is most concerned about the soil in.

A

A horzion

50
Q

Eating a lot of meat is innefecient due to ____ Of energy is lost in transfer between trophic levels

A

90%

51
Q

____ is accelerated by mining

A

Erosion

52
Q

____ is a characteristic of minerals

A

Crystalline structure

53
Q

____ destroys the habitat of wildlife

A

Strip mining

54
Q

____ is a mineral that is mined as a fuel source

A

Uranium

55
Q

____ also regulates public mining phosphates, sodium and sulfur.

A

Mineral leasing act of 1920

56
Q

The first step in ____ Is crushing and grinding the ore

A

Mining

57
Q

____ is used for resources concentrated in deep pockets in ground that is safe for tunneling

A

Subsurface mining

58
Q

If people ____ beverage cans less mining and extracting aluminum from ore is done

A

Recycle

59
Q

____ store large quantities of tailings

A

Impoundment dams

60
Q

____ is used for shallow horizontal deposits near the surface

A

Strip mining

61
Q

____ is when a mineral splits easily along a flat surface

A

Cleavage

62
Q

Igneous work forms by the process of ____

A

Melting and cooling

63
Q

____ is heating and ore beyond its melting point and combining it with other substances

A

Smelting

64
Q

____ comes from clearing large areas of land and increasing erosion

A

Sediment pollution

65
Q

____ is caused by leaky underground storage tanks

A

Groundwater pollution

66
Q

The ____ Set standards for pollunation levels, funded construction of sewage treatment plants, limited the release of point-source pollution.

A

Clean water act

67
Q

____ Is landscaping using plants adapted to dry conditions

A

Xeriscaping

68
Q

The primary uses of ____ Are agriculture, industry, and personal

A

Fresh water

69
Q

____ are used to help regulate river flow and build stable supply of water

A

Dams

70
Q

Its best to water your lawn at night to ____ water

A

Conserve

71
Q

Phosphorous causes ____ in fresh water

A

Eutrophication

72
Q

Salt is removed from the water by ____

A

Reverse osmosis

73
Q

____ Of soil and rock has few or no pores

A

Impermeable layer

74
Q

A ____ is all the land area that supplies water to a particular river system

A

Watershed

75
Q

____ are when water tables naturally rises to the surface

A

Springs

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