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Chapter 8

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Scientific revolution in agriculture   the addition of new crops and other technologies over the past 200 years is part of the continuing application of science to agriculture that began in the late eigtheenth century  
Aquaculture   herding or domesticating aquatic animals  
Hunger   deficiency in any or all basic requirements  
Biotechnology   variety of new techniques for modifying organisms and their physiological process for applied purposes  
Deforestation   destruction of the forests  
Exclusive economic zone   controls both mining and fishing rights  
Fishery   area where certain kinds of fishing or fish farming are used to yield certain species  
Isotropic plain   imaginary city market in a perfectly flat plain with absolutely no variations on it  
Sustainable agriculture   food production that can be continued indefinitely and that limits or even reverses environmental degradation  
Downstream activities   the economic activities closer to the consumers  
Value added by manufacturing   the difference between the value of a raw material and the value of a product manufactured from that raw material  
Double cropping   two rice crops can be harvested per year from one field  
Swidden   use tools and animals and more extensive modifications of landscape  
Economies of scale   achieve greater earnings per unit produced only by expanding the number of units produced  
Monoculture   specialized production of one crop  
Polyculture   the raising of a variety of crops  
Commercial agriculture   growing food and raising animal products for sale  
Subsistence agriculture   agricultural to feed oneself and family  
Agricultural inputs   all the factors that go into growing and harvesting a crop  
Green revolution   the effort to increase food production  


   






 
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