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

Ch.6 Human Biosphere

Question	Answer
Practice of farming	Agriculture
Farming strategy in which large fields are planted with a single crop, year after year	Monoculture
Development of highly productive crop strains and the use of modern agricultural techniques to increase yields of food crops	Green revolution
Resources that can regenerate if alive or can be replenished by biochemical cycles if they are nonliving	Renewable resources
Resources that cannot be replenished by natural processes	No renewable resources
Way of using natural resources without depleting them and of providing for human needs without causing long-term environmental harm	Sustainable development
Wearing away of surface soil by water and wind	Soil erosion
A process caused by a combination of poor farming practices, overgrazing, and drought that turns productive land into desert	Desertification
Destruction of forests	Deforestation
Raising of aquatic animals for human consumption	Aquaculture
Mixture of chemicals that occurs as a gray-brown haze in the atmosphere	Smog
A harmful material that can enter the biosphere through the land, air, or water	Pollutant
Rain containing nitric and sulfuric acids	Acid rain
The sum total of the genetically based variety of all organisms in the biosphere	Biodiversity
Variety of habitats, communities, and ecological processes in the living world	Ecosystem diversity
Number of different species I the biosphere	Species diversity
The sum total of all the different forms of genetic information carried by all organisms	Genetic diversity
Occurs whena species dessapears from all or part of its range	Extinction
Species whose population size is declining in a way that places it in danger of extinction	Endangered species
Splitting of ecosystems into small fragments	Habitat fragmentation
Process in which concentrations of harmful substance increase in organisms at higher trophic levels Ina food chain or food web	Biological magnification
Plants and animals that have migrated to places where they are not native	Invasive species
Wise management of natural resources, including the preservation of habitats and wildlife	Conservation
Atmospheric layer in which ozone gas is relatively concentrated	Ozone layer
Increase in the average temperatures on Earth	Global warming

Created by: Hagi131096

"Know" box contains:
Time elapsed:
Retries: