Exam 10: Food Production and the Environment

A farmer begins to grow lettuces in tanks, running water from fish tanks through the lettuce plants as fertilizer and then returning the water to the fish tanks. This is an example of ____________________.

What kind of cropping is where one or more crops, usually legumes or other crops that add nitrogen to the soil, are planted together and between orchard trees or fruit-bearing shrubs, which provide shade?

Industrialized livestock production generates only small quantities of greenhouse gases, insignificant compared with those emitted by factories and cars.

Polyculture lessens the need for fertilizer and water.

One drawback to integrated pest management is that it ____.

An important type of food-producing system that is the most rapidly increasing type in use in the world is ____.

Extensive irrigation can lead to a buildup of salts left behind when water evaporates.

The extensive use of herbicides to control weeds that grow alongside crops that have been genetically modified to be herbicide resistant can lead to selection for ____________________.

Foods that are labeled as ________ must have at least 95% of their ingredients that meet that description.

What would likely be found on an organic farm?

Most soil erosion is caused by ____.

Monoculture is a method of growing food that is characteristic of ____.

A food desert is an area in the countryside where desertification is a major problem.

A chemical produced by animals to control their developmental processes at different stages of life, among other functions, is known as a ____.

When people do not consume sufficient amounts of vitamin A, they can go blind.

Plantation agriculture is used primarily to reduce soil erosion and restore soil fertility, not for its value in producing crops to sell.

Explain some ways that natural enemies can be used for pest control and why is this a sustainable practice. Discuss how governments can use policies to improve food security.

Although traditional agriculture is common in many parts of the world, the United States primarily uses ____________________ agriculture for food production.

What is a major cause of soil salinization?

The practice of ____________________is where fish are raised in freshwater ponds, lakes, reservoirs, and rice paddies, and in underwater cages in coastal and deeper ocean waters.