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Biology > Pollution Definitions > Flashcards

Pollution Definitions Flashcards

1
Q

Ecological footprint

A

The impact we make on the planets resources

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2
Q

Bio capacity

A

Amount of life with stood in one food web

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3
Q

Ecological overshoot

A

Population exceeds long term carrying capacity of its food web

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4
Q

Pollutants

A

Waste material

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5
Q

Primary pollutants

A

Injected into the atmosphere

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6
Q

Secondary pollutants

A

Soil and water pollutants

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7
Q

Extinction

A

Complete destruction of a species

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8
Q

Argo fuels

A

Liquid fuels derived from crops and food

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9
Q

Smog

A

Mixture of smoke and fumes

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10
Q

Acid rain

A

Rain with high ph with SO2 and NOx are released

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11
Q

Toxins

A

Poisons substances

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12
Q

Pathogens

A

Disease producing agents

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13
Q

Eutrophication

A

Ecosystem response to artificial substances ie fertilizer

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14
Q

Insecticides

A

Kill insects

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15
Q

Herbicide

A

Kills weeds

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16
Q

Bioaccumulation

A

Concentration of many pollutants in fatty tissue of animals

17
Q

Leaching

A

Nutrients in oceans are removed and coral reefs are destroyed

18
Q

Aquifers

A

Under ground lake

19
Q

Acid mine drainage

A

Out flow of acidic water from mines

20
Q

Biochemical oxygen demand (BOD)

A

Dissolved oxygen needed by aerobic organism to break down organic material

21
Q

Landfills

A

Disposing of waste by burring it

22
Q

Biodegradation

A

Chemical dissolution of materials by bacteria

23
Q

Vermin

A

Pests and those carting disease

24
Q

Deforestation

A

Trees are cut down for human consumption

25
Q

Desertification

A

Land on edge of dessert becomes dessert

26
Q

Invasive aliens

A

Fauna or flora from other lands competing for resources with native species

27
Q

Reforestation

A

Renewing forest cover by natural seeding or planting seedlings

28
Q

Biodiversity

A

Degree of variation of life forms in a given food web

29
Q

Bioremediation

A

Use of microorganism metabolism to remove pollutants

30
Q

Biomagnification

A

More concentrated in each successful tropic level

31
Q

Selective felling

A

Cutting down old or damaged trees

32
Q

Strip felling

A

Cutting down different strips of forest every year

Biology (4 decks)

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