Flashcards
KeyWord FLASHCARDS
Cards in this deck (19)
- 1Abstractionremoving water from a source so that it can be used elsewhere
- 2Aquifera porous, permeable underground rock such as chalk or sandstone that contains water in millions of pores.
- 3Artificial fertilisersnitrates, phosphates and potassium that are added to the soil to increase crop growth
- 4Biodiversitythe number and variety of species within a region
- 5Biofuelsrenewable energy resources such as energy crops, wood wastes, biogas and biodiesel
- 6Captive breedingthe breeding of species in captivity, usually zoos, with the aim of reintroducing the animals back into their original habitat once it is safe to do so.
- 7Carbon Footprintthe environmental impact of the total amount of carbon dioxide, and other greenhouse gases, emitted over the full cycle of the use of a product, service or event by individuals, specific human activities or areas.
- 8Controlled Environmentan environment in which the factors that affect crop growth, e.g. light, temperature, ventilation, are carefully controlled to maximise growth.
- 9Ecological Footprintthe amount of the earth's resources of an area that a person or group consumes to support their lifestyle
- 10Energy Conservationthe practice of decreasing the amount of energy used in the home. This is often by reducing heat loss and using more efficient appliances.
- 11Eutrophicationthe artificial enrichment of water with too many inorganic nutrients, such as nitrates, phosphates.
- 12Fossil fuelsthese are fuels formed from the remains of dead plants and animal. The three main fossil fuels are coal, oil and natural gas. They were formed millions of years ago
- 13Genetically modified organisman organism that has had its genetic material altered in a way that does not occur naturally by mating.
- 14Habitatthe natural conditions in which an organism, animal or plant lives
- 15Intensificationthe use of many inputs (fertiliser, pesticide, mechanism) in order to increase outputs (foods)
- 16LEDCLess Economically Developed Country. A country in which people are relatively low per capita (per person) income. Birth rates are usually little industrialisation. Examples include Bostwana and Vietnam
- 17MEDCMore Economically Developed Country. A country in which people are relatively wealthy. Per capita income is relatively high. Birth and death rates are much lower than LEDCs
- 18Permeabilitythe rate at which water can move through pores in a rock.
- 19Pesticideschemicals designed to kill organisms that feed on or cause disease in crops, in order to reduce yield loss.
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- Flashcards on KeyWord FLASHCARDS , created by 10shm8188 on 21/05/2015.
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