Environmental Science

CAFOs make meat more economical, but may have some negative environmental impacts.  These include all of the following EXCEPT

• high concentrations of animal waste.

• increase in nutrients in stormwater runoff.

• increase in sediments in stormwater runoff.

• increased use of land area over other types of animal farming.

Tags

NGSS.MS-ESS3-3

Under the integrated pest management system, the first line of defense during an infestation is to use

• biologic methods

• DDT

• genetic engineering

• broad range pesticides

Genetically modified crops offer all of the following advantages except:

• We no longer need to use herbicides.

• Reduce water usage

• Shorten growing seasons.

• Increased yields  

Tags

NGSS.HS-ETS1-3

Which of the following is an unintended environmental consequence of aquaculture?

• Meeting an increasing demand for seafood

• Decreasing the prevalence of disease in nearby wild fish

• Contamination of surrounding water by organic waste

• High initial cost of facility

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

Which methods of irrigation is the least efficient with the highest rate of evaporation?

• furrow irrigation

• spray irrigation

• drip irrigation

• flood irrigation

Overgrazing of grasslands can lead to reduced range quality. Two of the major effects of overgrazing are

• erosion and desertification

• eutrophication and increased methane production

• higher primary productivity and ammonification

• higher fire potential and increased productivity

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following reduces the use exposures to toxic chemicals?

• Crop dusting

• No-till agriculture

• Intercropping

• IPM

Tags

NGSS.MS-ESS3-3

The major cause for the decline in the worldwide catch of fish since 1990 is

• escalating price of fuel

• competition from aquaculture

• overfishing

• decline in market price

Tags

NGSS.MS-LS2-1

Which of the following is an example of a positive feedback loop?

• Your brain saying you are hungry

• A thermostat maintaining a certain temperature in your house

• Exponential population growth

• Pesticide resistance

Which of the following best illustrates the concept of the tragedy of the commons?

• Selective harvesting of trees by a timber company in a national forest

• Legislation of catch limits to avoid depletion of fish stocks in a shared lake

• Inadvertent destruction of beneficial species while attempting to control pests

• Depletion of an aquifer by regional farmers

Tags

NGSS.MS-LS2-5