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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 Diversity In a biological community, the number and abundance of different species.
Background Extinction Gradual process of species becoming extinct.
Biological Magnification Increasing concentration of toxic substances, such as DDT, in organisms as tropic levels increase in food chains or food webs.
Edge Effect Any different environmental condition occurring along an ecosystem's boundaries.
Eutrophicaton Water pollution form nitrogen-rich and phosphorus-rich substances flowing into waterways, causing algal overgrowth.
Habitat Fragmentation Habitat loss form 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 Resources Any material or organism in the biosphere, including water, soil, fuel,and plants and animals.
Overexploitation Overuse of species with economic value-a fact 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 Large outbreak of a pragmatical disease in a specific area.
Nonrenewable Resource Any natural resource available in limited amounts or replaced extremely slowly by natural processes.
Renewable Resource Any resource replaced by natural processes more equivalency than it is consumed.
Sustainable use Use of resources at a rate that they can be replaced or recycled.
Created by: analizagarza
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