5.7

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Compared with people in developing countries, people in industrialized countries are more likely to eat what type of food?

Beef

What is a benefit of concentrated animal feeding operations (CAFOS)?

CAFOs have increased the speed and volume of meat production, while also producing massive amounts of air, water, and soil pollutants.

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

Erosion and Desertification

The development of dangerous strains of disease organisms represents a significant consequence of what agricultural practice?

Incorporating antibiotics into the feeding regimens of densely concentrated livestock.

What greenhouse gas is produced by domestic livestock?

Methane/CH4

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. Why?

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

As part of a school project, a group of high school students will attempt to determine whether increasing the species diversity of the edible plants in pastures used for grazing livestock will provide an economic benefit to ranchers. What is an economic benefit to the ranchers?

Pastures with the highest diversity of plant species will have the highest net primary productivity

The presence of fecal coliform bacteria in a sample of river water suggests what?

contains too little oxygen to support fish life

What could increase both the nutrient levels and the bacterial content of lake water?

runoff from a nearby hog farm


संबंधित स्टडी सेट्स

"The Story of an Eyewitness" First 15 Vocabulary Words

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