When cattle eat too much grass and/or vegetation in an area.
What is overgrazing?
The use of machines (like tractors) in agriculture which increases reliance on fossil fuels.
What is mechanization?
A method of irrigation which saves water by slowly and incrementally watering the plants.
What is drip irrigation?
Substances used to control, repel, or kill pests.
What are pesticides?
Concentrated Animal Feeding Operations (CAFO's) also known as __________, are locations where animals are fed grain like corn to raise them as quickly as possible.
What are feedlots?
The loss of soil due to deforestation and other unsustainable practices.
What is soil erosion?
Fertilizer which must be manufactured as opposed to naturally occuring fertilizer.
What is synthetic fertilizer?
The process by which salt accumulates in the soil to the point where it is harmful to plant growth and productivity.
What is soil salinization?
When pesticides kill most pests except for a select few which survive because they are __________ to the pesticides.
What is resistant?
Cattle and other livestock are often given these two substances to prevent disease and speed up their growth.
(2 answers, must get both, no partial credit)
What are antibiotics and growth hormones?
The process of cutting down and removing every tree from an area which can lead to deforestation.
What is clearcutting?
The process of breaking up soil in order to make it easier to plant in.
What is tilling?
The leeching of non-fresh water sources into aquifers due to excessive pumping of groundwater resources.
What is salt water intrusion?
GM crops can have genes for pest resistance, however, they can be __________ of each other and therefore genetically identical.
What are clones?
When livestock freely roam an area where they can eat & grow at a natural rate without growth hormones.
What is free range grazing?
The process of cutting down trees and burning them, therefore releasing greenhouse gases.
What is slash & burn?
Crops designed to produce greater yields, and have resistance to adverse conditions like drought or pests.
What are GMOs (genetically modified organisms)?
Excessive growth of algae in bodies of water due to increased levels of substances like nitrates and phosphates.
What is eutrophication?
Crops which are genetically modified to resist broad herbicides like Roundup.
"Roundup Ready" crops
Natural or organic fertilizer produced from animal waste.
What is manure?
When individuals with access to a public resource act in their own interest, and in doing so, ultimately deplete that resource.
What is Tragedy of the Commons?
The shift in agriculture away from small, family operated farms to large, industrial scale businesses.
What is the Green Revolution?
The three types of global human water use are __________, __________, and __________.
(3 answers, must get them all, no partial credit)
Industrial, Municipal, and Agricultural
The process of continuously applying pesticides as pests become resistant, reproduce, and crops become infested over and over again.
What is the Pesticide Treadmill?
Producing meat for humans uses far more _____, _____, and _____ than producing plants.
(3 possible answers, get at least two, no partial credit)
water, land, or energy