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chapter 5 vocab

vocabulary

TermDefinition
Biodiversity number of different species living in a specific area.
Ecosystem biological community and all the nonliving factors that affect it.
Extinction the disappearance of a species when the last of its members dies.
Genetic Diversity variety of inheritable characteristics or genes in an interbreeding population.
Species Deversity in a biological community, the number and abundance of different species.
Background Extinction gradual process of a species becoming extinct.
Biological Magnification increasing concentration of toxic substance, such as DDT, organisms as trophic levels increase in food chains or food webs
Edge Effect any different environmental condition occurring along an ecosystem's boundaries
Eutrophication water pollution from nitrogen-rich and phosphorus-rich substances flowing into waterways, causing algal overgrowth.
Habitat Fragmentation habitat loss from separation of an ecosystem into small pieces of land.
Introduced Species nonnative species deliberately of accidentally into a new habitat.
Mass Extinction a large-scale dying out of a large percentage of all living organism in a an area within a short time
Natural Resource any material or organism in the biosphere, including water, soil,fuel, and plants and animal
Overexploitation overuse of species with economic value- a factor in species extinction
Biological Augmentation technique of adding essential materials to a degraded ecosystem
Bioremediation technique using living organism a to detoxify a polluted area
Endemic found only in one specific geographics aread
Nonrenewable Resource any natural resource available in limited amounts or replaced extremely slowly by natural processes
Renewable Resource any resource replaced by natural procsses more quickly than it is consumed
Sustainable use of resource at a rate that they can be replaced or recycled
Created by: yadi1998
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