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Chapter 5 vocabulary

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 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 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 water ways causing algal overgrowth.
Habitat Fragmentation habitat loss from separation of an ecosystem into small pieces of land.
Introduced Species nonnative species deliberate 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 and material or organism is the biosphere, including water, soil, fuel, and plants and animals.
Overexploitation overuse of species with economic value.
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 specific geographic area.
Nonrenewable Resource any natural resource available in limited amounts or replaced extremely slow by natural processes.
Renewable Resource any resource replaced by natural processes more quickly than it is consumed.
Sustainable use of resource at a rate that they can be replaced or recycled.
Created by: betthanya
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