Biology Ch.6 Vocab

Front 1

the practice of farming

Back 1

agriculture

Front 2

farming strategy in which large fields are planted with a single crop, year after year

Back 2

monoculture

Front 3

the development of highly productive crop strains and the use of modern agricultural techniques to increase yields of food crops

Back 3

green revolution

Front 4

resource that can regenerate quickly and that is replaceable

Back 4

renewable resource

Front 5

resource that cannot be replenished by natural processes

Back 5

nonrenewable resource

Front 6

using natural resources at a rate that does not deplete them

Back 6

sustainable development

Front 7

wearing away of surface soil by water and wind

Back 7

soil erosion

Front 8

in areas with dry climates, a process caused by a combination of poor farming practices, overgrazing, and drought that turns productive land into desert

Back 8

desertification

Front 9

destruction of forests

Back 9

deforestation

Front 10

the raising of aquatic organisms for human consumption

Back 10

aquaculture

Front 11

mixture of chemicals that occurs as a gray-brown haze in the atmosphere

Back 11

smog

Front 12

harmful material that can enter the biosphere through the land, air, or water

Back 12

pollutant

Front 13

rain containing nitric and sulfuric acids

Back 13

acid rain

Front 14

the sum total of the variety of organisms in the biosphere

Back 14

biodiversity

Front 15

variety of habitats, living communities, and ecological processes in the living world

Back 15

ecosystem diversity

Front 16

number of different species in the biosphere

Back 16

species diversity

Front 17

sum total of all the different forms of genetic information carried by all organisms living on Earth today

Back 17

genetic diversity

Front 18

disappearance of a species from all parts of its geographical range

Back 18

extinction

Front 19

species whose population size is rapidly declining and will become extinct if the trend continues

Back 19

endangered species

Front 20

splitting of ecosystems into small fragments

Back 20

habitat fragmentation

Front 21

increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web

Back 21

biological magnification

Front 22

plants and animals that have migrated to places where they are not native

Back 22

invasive species

Front 23

wise management of natural resources, including the preservation of habitats and wildlife

Back 23

conservation

Front 24

atmospheric layer in which ozone gas is relatively concentrated

Back 24

ozone layer

Front 25

increase in the average temperatures on Earth

Back 25

global warming