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Biology Honors > Chapter 6 Human In The Biosphere > Flashcards

Chapter 6 Human In The Biosphere Flashcards

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0
Q

What is monoculture

A

Farming strategy of planting in the single highly productive crop year after year

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1
Q

How does human affect regional and global environments

A

Humans affect them to agriculture development industry in ways that have input on the quality of its natural resources including soil water and atmosphere

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2
Q

What is agriculture

A

Growing crops uses water fertile soil pesticides and fossils fuel to run machine

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3
Q

What is development

A

Dense human commuties lots of waste

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4
Q

Industrial growth

A

Population and use of fossil fuel

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5
Q

What is bio diversity loss due to

A

Human activity, habitat destruction. Hunting down population
Climate change
Intro to exotic non native species which completes with native harm them directively predation

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6
Q

What are the benefits from the bio diversity to our society

A

Medicine
Agriculture
Ecosystem service

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7
Q

What is extinction

A

the disappearance of a species when last of its members dies

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8
Q

What causes extinction

A

Threat ( predator/ diesase )
Failure to compete against a new species
A rapid environment change they can’t adopt to
* humans are the main cause of extinction today*

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9
Q

What is a ecological hotspot

A

A place where a significant numbers of species and habitat are in immediate danger of extinction

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10
Q

How do you conserve biodiversity

A

Protect individual

Preserve habitats and ecosyststem

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11
Q

What is renewable resource

A

can be produced or replaced by a healthy ecosystem

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12
Q

What is nonrenewable resource

A

Because natural processes cannot replenish them with a reasonable amount of time.

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13
Q

What is sustainable development

A

Provides for human needs while still preserving the ecosystem that produces natural resources

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14
Q

Healthy soil supports both agriculture and forestry true or false

A

True

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15
Q

What is soil erosion

A

Is the removable of soil by water or wind

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16
Q

What is desertification

A

A combination of farming, overgrazing, seasonal drought and climate change can turn farmland into a desert

17
Q

What is deforestation

A

It’s the loss of forests

18
Q

How can you minimize soil erosion

A

Careful management of both agriculture and forestry

19
Q

What is pollutant

A

Is a harmful material that can enter the biosphere

20
Q

What are no point pollutant sources

A

The grease and oil washed of streets by rain or the chemical released into the air by factories or automobiles

21
Q

What are the primary sources of water pollution

A

Industrial And agricultural chemicals residential sewage and no point sources

22
Q

What is biological

Magnification

A

Occurs if a pollutant such as DDT mercury or pcb picked up by an oragami am and is not broken down and eliminated from the body

23
Q

What is the common air pollution

A

Smog, acid rain, greenhouse gas and particulates

24
Q

What is smog

A

It’s a gray brown haze formed By a chemical reaction among pollutants

25
Q

What is acid rain

A

When we burn fossil fuel in our factories and homes we release nitrogen and sulfur compounds, when these compounds combine with water vapor in the sort hey form nitric and sulfuric acids

26
Q

What are greenhouse gas

A

Cow fart, ,methane

27
Q

What are particulates

A

Are microscopic particles of ash and dust released by industries

28
Q

What is ecosystem diversity

A

Variety of habitats, communities, and ecological processes in the biosphere

29
Q

What is species diversity

A

The number of different species in the biodiversity or in a particular area

30
Q

Genetic diversity

A

Refer to the sum total of all difffrent forms of genes presents in that species

31
Q

What is biodiversity

A

Is the total of all genetically based variation in all organism in the biosphere

32
Q

What is habitats fragmentation

A

Splitting of the ecosystem into pieces

33
Q

How does DDT affect the ecosystem

A

Prevents birds from laying healthy eggs

34
Q

What is ecological footprint

A

Describes the total area of functioning land and water ecosystems needed both to provide the resource an individual or population uses to absorb and make harmless the waste that individual or population generates.

35
Q

How can ecology guide us towards a sustainable future

A

Recognize a problem in the environment
Researching that problem to determine its causes and then
Using scientific understanding to change our behavior we can have a positive impact on the global environment

36
Q

What is aquaculture

A

The farming of aquatic fish

37
Q

What is global warming

A

Increase in global temperature

38
Q

A developer wants to build a new housing development in or around a large city which of the following plans would be least harmful to the environment

A

Ex: building apartments at the site of an ABANDONED factory in the city

39
Q

Using resources in way that does not cause long term harm is called

A

Sustainable devolpment

40
Q

The 1930 dust bowl in the great plain was caused by

A

Poor farming practices

41
Q

Which is not considered a sustainable devolpment strategy for management of earths resources

A

Desetification

Biology Honors (9 decks)

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