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Flashcards in Bio 3 Deck (94)
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1
Q

What was the “Green Revolution”

A

Used pesticides and insecticides to increase yields also bio engineered plants to be ready quicker population grew

2
Q

why is topsoil only semi renewable

A

we use it at too fast of a rate

3
Q

legumes

A

enrich soil with nitrogen

4
Q

why are tradition peanut legumes farming bad

A

peanuts ruin root system at harvest and dislodge topsoil

5
Q

Sahel

A

is the frontline of desertification

6
Q

effect of peanut farms

A

increase of sahel/desertification zone

7
Q

demand based agriculture

A

crops like tobacco that bring in money

8
Q

which crops are threatened by disease

A

bananas and potatoes with blight

9
Q

resource based agriculture

A

porduction is limited by available resources

10
Q

how do agrieco differ from eco

A

. Farming tries to stop ecological succession.

  1. Biodiversity is discouraged in favor of monoculture
  2. Crops are planted in neat rows, not mixed in complex patterns.
  3. Food chains are greatly simplified.
  4. Plowing is unlike any natural disturbance.
11
Q

top three crops

A

rice maize wheat and are all grasses

12
Q

subsistence

A

crop used directly as food

13
Q

dust bowl

A

unsuitable farming practice reduced land to dust

14
Q

aquifer

A

permerable rock layer that collects water

15
Q

recharge zone

A

where water enters aquifer like glaciers rivers reservoirs

16
Q

ogallala aquifer

A

tapped to help dust bowl effects in new mexico colorado texas area

17
Q

what is the difference between chemical and natual fertilzer

A

chemical is more health for humans but effects yield and natural fertilizer is better for plants but worse for humans

18
Q

drip method versus ditch and spray

A

drip cost more for farmers to install but is better for environment while ditch and spray water is lost to evaporation

19
Q

range lands

A

areas where we can farm

20
Q

maximum sustainable yield

A

The amound of one crop that can be produced per unit of area that can be continued indefinetly

21
Q

how much of earth can be farmed

A

11

22
Q

pros and cons of ranching natural species

A

can harbor parasites unsufficient numbers not domesticated pro: food

23
Q

IPM

A

integrated pest management

24
Q

principles of IPM

A

bringing in natural predator

25
Q

leopold Trouvelot

A

gypsy moth disaster tried to destroy them but predators found easier prey

26
Q

what is IPM

A

introduces predators parasites and diseases to a pest ex burrowing wasp into lettuce caterpillar

27
Q

Environmental justice

A

Environmental problems against social classes

28
Q

why is it hard to prove environmental rascism

A

because of the tie between low income and minorities and jobs

29
Q

1st and second factor of environmental justice

A

minority and socioeconomic status

30
Q

hazel johnson

A

lived in polluted area fought for better housing

31
Q

Bhopal disaster

A

Chemicals and pesticides killed many poor minorities looking for work

32
Q

`effects of bhopal

A

freedom of info act

33
Q

INCO superstack

A

sudburry smokestack that caused lung diseases

34
Q

Wjat is LD curve

A

lethal dose to kill 50% deals with tolerance level want to be extremely high

35
Q

ED-50

A

effective dose want to be extremely low

36
Q

TL-50

A

toxicity level when people get sick want it to be higher than ed lower that LD

37
Q

problems that might kill humans

A

ozone depletion damages to oceans loss of fresh water overpopulation

38
Q

what is itai-itai

A

means ouch ouch jinzu river pollution cadmium pollution brittle bones and kidney failure land pollution and mining

39
Q

minamata disease

A

neurological syndrome mercury poison in water pvc creation

40
Q

why was source not found

A

company trade secret

41
Q

issues from maquilladoras

A

a toxic waste incinerator involved no training and respiratory problems

42
Q

what is cancer alley

A

in louisiana petrochemical corner where a lot of oil refineries are

43
Q

cancer alley and hurrican katrina

A

cancer became more of a problem as hurricane washed materials around

44
Q

traditional hogfarming vs corporate

A

tradtional has a few dozen and corporate a thousand

45
Q

operation silver shovel

A

politicians agreeing to dumb waste in low income areas

46
Q

how long did cleanup take

A

from 1992 to 2005 in west side areas of chicago

47
Q

what is NIMBY

A

not in my back yar those with power force pollution on those that dont

48
Q

goals of resource management

A

to reserve depletable resources

49
Q

pollutiob science versus social science

A

tries to preserve versus tries to conserve

50
Q

what did medevil do right

A

controlled populations and resources

51
Q

first nations

A

were just as bad as humans are today at overhunting and resource obsession

52
Q

easter island

A

people got to island deplenished all resources and couldnt even get off the island

53
Q

theodore roosevelt

A

Expanded protected national parks and wilderness conservations

54
Q

George Catlin

A

? Created national parks

55
Q

Henry David Thoreau

A

Advocated simpler woodsy lifestyle

56
Q

Benjamin Harrison

A

established yellowstone

57
Q

Woodrow wilson

A

National park service protected national parks

58
Q

atomic mass unit

A

mass of one electron and one proton

59
Q

What are the two principle kinds of proteins in the body

A

structural proteins and enzymes

60
Q

substrate and active site

A

Substrates are reactants to a active site A area that is ready to receive a substrate

61
Q

inhibition

A

? Inhibition slows a process down

62
Q

inhibitor drugs

A

Pencillin and AIDS

63
Q

deadly inhibitors

A

mercury poison in snakes

64
Q

denaturation

A

loss of chemical function

65
Q

allosteric

A

Is when something attaches to an enzyme and bends it other than active sites and substrates can no longer fit

66
Q

competitive

A

another compound can bind to active site this binding can either slow or stop a reaction

67
Q

allosteric inhibitors

A

poison mercury and other heavy metals

68
Q

competitive inhibitors

A

poisons are carbon monoxide and herbicides and pesticides

69
Q

what are the origins of toxicology

A

Agrippina the younger poisoner of the emperor Claudius and Augustus and Catherine de’Medici who poisoned homeless to study the effects

70
Q

morbidity

A

illness

71
Q

mortality

A

death rate

72
Q

median effective dose

A

is the desired effect in 50% the ED-50

73
Q

therapeutic index

A

ratio of ld-50 over ED50 how lethal versus how therapeutic

74
Q

physical pollutants

A

light heat

75
Q

biological pollution

A

invasive species

76
Q

genetic pollution

A

like in mexico with the corn grass

77
Q

point source

A

being able to pinpoint pollution source

78
Q

non point source

A

not being able to pinpoint source

79
Q

chemical pollution

A

heavy metal exhaust

80
Q

matter

A

anything that occupies space

81
Q

what is chemistryq

A

study of matter

82
Q

three stats of matter

A

solid liquid gas

83
Q

isolated atom

A

has the same number of electrons as protons

84
Q

ion

A

charged element

85
Q

what part interacts with the world

A

electron

86
Q

atomic mass

A

number of neutrons and protons

87
Q

atomic number

A

number of protons

88
Q

what is an isotope

A

isotope have more neutrons that protons

89
Q

What do neutrons do in the nucleus

A

Stabilize the element nuclear reactions happen upon instability

90
Q

ionic bond

A

bonds ionic bonds transfer an electron and is a weak bond

91
Q

covalent bond

A

? Covalent bonds are firm strong bonds

92
Q

when was the conept of atom produced

A

in greece

93
Q

Who was Dmitri Ivanovich Mendeleev

A

He developed the periodic table and inadvertently discovered atomic number

94
Q

What is Rutherford’s “nuclear” model

A

? It was the discovery of protons and positive charges