Chapter 6 vocab Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
agriculture | the practice of farming |
monoculture | farming strategy in which large fields are planted with a single crop year after year |
Green Revolution | the development of highly productive crop strains and the use of modern agricultural techniques to increase yields of food crops |
renewable resource | resources that can regenerate quickly and that is replaceable |
nonrenewable resource | resource that cannot be replenished by natural processes |
sustainable development | using natural resources at a rate that does not deplete them |
soil erosion | wearing away of surface soil by water and wind |
desertification | in areas with dry climates, a process caused by a combination of poor farming practices, overgrazing, and drought that turns productive land into desert |
deforestation | destruction of forests |
aquaculture | the raising of aquatic organisms for human consumption |
smog | mixture of chemicals that occurs as a gray-brown haze in the atmosphere |
pollutant | harmful material that can enter the biosphere through the land, air, and water |
acid rain | rain containing nitric acid and sulfuric acid |
biodiversity | biological diversity; the sum total of the variety of organisms in the biosphere |
ecosystem diversity | variety of habitats, living communities, and ecological processes in the living world |
species diversity | number of different species in the biosphere |
genetic diversity | sum total of all the different forms of genetic information carried by all organisms living on Earth today |
extinction | disappearance of a species from all parts of its geological range |
endangered species | species whose population size is rapidly declining and will become extinct if the trend continues |
habitat fragmentation | splitting of ecosystems into small fragments |
biological magnification | increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web |
invasive species | plants and animals that have migrated to places where they are not native |
conservation | wise management of natural resources, including the preservation of habitats and wildlife |
ozone layer | atmospheric layer in which ozone gas is relatively concentrated |
global warming | increase in the average temperature temperatures on Earth |
Created by:
Tyl3r10959
Popular Science sets