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Biology Ch. 5-Lytle

Lytle Biology Chapter 5 Vocabulary

QuestionAnswer
background extinction gradual process of a species becoming extinct
biodiversity number of different species living in a specific area
biological magnification increasing concentration of toxic substances,such as DDT, in organisms as trophic levels increase in food chains or food webs
bioremediation technique using living organisms to detoxify a polluted area
ecosystem diversity variety of ecosystems in the biosphere
edge effect any different environmental condition occurring along an ecosystem's boundaries
endemic found only in one specific geographic area
eutrophication water pollution from nitrogen-rich and phosphorus-rich substances flowing into waterways, causing algal overgrowth
extinction the disappearance of a species when the last of its members dies
genetic diversity technique to correct mutated disease-causing genes
habitat fragmentation habitat loss from separation of an ecosystem into small pieces of land
introduced species nonnative species deliberately or accidentally introduced into a new habitat
mass extinction a large-scale dying out of a large percentage of all living organisms in an area within a short time
natural resource any material or organism in the biosphere, including water, soil, fuel and plants and animals
nonrenewable resource any natural resource available in limited amounts or replaced extremely slowly by natural processes
overexploitation overuse of species with economic value-a factor in species extinction
renewable resource any resource replaced by natural processes more quickly than it is consumed
species diversity in a biological community, the number and abundance of different species.
sustainable use use of resources at a rate that they can be replaced or recycled
Created by: jdlytle
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