Unit 5 Quiz

Which of the following is a direct economic advantage associated with aquaculture?

Aquaculture produces large amounts of seafood for human purchase and consumption year-round.

Based on the data in the graph, which location showed an annual average grain yield in 1991-1993 that was approximately 2.3 times the yield in 1961-1963 ?

Asia

Which of the following is a greenhouse gas that is produced by domestic livestock?

CH4

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

Contamination of surrounding water by organic waste

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

Depletion of an aquifer by regional farmers

Based on the data provided, which of the following descriptions best identifies the types of farms that are being compared?

Farm A is a grass-fed pasture for beef production, whereas Farm B is a traditional concentrated animal feedlot for cattle.

Which of the following is the best example of an economic incentive that could be used to improve environmental quality and reduce resource waste?

Providing tax breaks for companies that use recycled materials

Carbon dioxide equivalent ( CO2e ) is used to compare contributions to climate change of various greenhouse gases. A study at a farm calculated the carbon dioxide equivalent for different production stages for beef and chicken production. Which of the following statements is best supported by the data in the graph?

Raising beef contributes more to greenhouse gases than raising chickens does, primarily as a result of fermentation in cows' digestive tracts, which releases methane gas.

Which of the following problems is best addressed with contour plowing?

Soil erosion

Which of the following describes a fundamental characteristic of the green revolution in food resources?

The development of new strains of crops with higher yields

Compared with people in developing countries, people in industrialized countries are more likely to eat

beef

Many communities experience the tragedy of the commons. One way a local community might regulate a shared and limited resource and reduce the tragedy of the commons is to

divide the resources into parcels and assign them to individuals

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

erosion and desertification

Vegetarianism is often cited as a partial solution to the growing problem of deforestation and other types of habitat destruction as the human population continues to grow. The reason for this is

more people can be fed using less agricultural land because vegetarians eat at a lower trophic level

What issue arises when a farmer utilizes monoculture crops?

there is no genetic diversity so the profit of their crop is more at risk of disease or pest