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Chapter 5

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 die.
Genetic Diversity variety of inheritable characteristics or genes in an interbreeding population
Species Diversity 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 substances such as DDT in organisms as tropic levels increase
Edge Effect any different environmental condition occurring along an ecosystems boundaries
Eutrophication water pollution from nitrogen rich and phosphorous rich substances flowing into waterways causing algal growth
Habitat Fragmentation habitat loss from separation of an ecosystem into small pieces of land
Introduced Species nonnative species deliberately or accidentally introduced into s 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 planets and animals
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 organisms to detoxify a polluted area
Endemic found only in one species geographic area
Nonrenewable Resource resources that wants there gone you can not get no more
Renewable Resource resources you can get or make you never run out of
sustainable use of resources at a rate that they can be replaced
Created by: ashleynewcomb
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