vocab. for DSST Env.Sci. from Environmental Science by Karen Arms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| amaranth | plant that can survive with little water, producing a grainlike fruit rich in protein
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| aquaculture | cultivation of fish for human use or consumption
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| arable land | fertile land that can be plowed to grow crops
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| biological pest control | pest control using living organisms or naturally produced chemicals
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| carbohydrate | organic compound, such as starch or sugar, made of carbon, hydrogen, and oxygen in which the ratio of hydrogen to oxygen is 2:1
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| contour plowing | plowing across the slope of a hill to prevent soil from being washed away
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| drought | period when rainfall is less than average, causing crop failure
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| erosion | the wearing away of topsoil by wind or water
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| famine | widespread food shortage
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| fertile soil | soil that can support the rapid growth of healthy plants
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| genetic engineering | scientific activity that develops desirable characteristics in an organism by altering its genes or inserting new genes in the organisms cells
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| green revolution | the introduction of new farming techniques and new varieties of crops, especially grains, in Asia and Latin America
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| lipid | organic compound that contains fats and other substances that living organisms use to get energy
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| low-input farming | farming that does not use a lot of energy, pesticides, fertilizer, and water
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| malaria | infectious disease carried by mosquitoes
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| malnutrition | poor health condition caused by not consuming enough necessary nutrients
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| no-till farming | procedure in which the seeds of the next crop are planted in slits cut into the soil through the remains of the previous crop
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| organic farming | method of growing plants without synthetic pesticides or fertilizers
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| pest | any organism that is not wanted or that exists in large enough numbers to cause damage
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| pesticides | substances that kill pests
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| pheromone | chemical substance secreted externally by certain animals that conveys information to and produces certain responses in other animals of the same species
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| protein | group of organic compounds used for food by living organisms and contained in meats and dairy products
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| resistance | the ability of a pest population to tolerate a particular pesticide
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| salinization | the accumulation of salts in the soil
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| subsistence farmers | farmers who grow only enough food to feed their families
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| synthetic fertilizer | fertilizer produced in factories and used in place of manure and plant wastes
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| topsoil | loose surface layer of soil
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| typhus | infectious disease carried by lice
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| yield | amount of crops produced per unit area
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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