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DB Ch6 Human Ecology

Vocabulary for Ch 6 in Miller and Levine Biology

QuestionAnswer
Biodiversity biological diversity; the sum total of the variety of organisms in the biosphere
Ecosystem diversity varieties of habitats, living communities, and ecological processes in the living world
Species diversity number of different species in the biosphere
Genetic diversity sum total of all different forms of genetic information carried by all organisms living on earth today
Extinction dissappearance of a species from all parts of its geographical range
Endangered species species whose population size is rapidly declining and will become extinct if the trend continues
Habitat fragmentation splitting of ecosystems into small fragments
Biological magnification increasing concentration of a harmful substance in organisms at a higher trophic levels in a food chain or food web
Invase species plants and animals that have migrated to places where they are not native
Conservation wise management of natural resources, including the preservation of habitats and wildlife
Ozone layer atmospheric layer in which ozone gas is relatively concentrated
Global warming increases in average temperature on earth
rain containing nitric and sulfuric acids
Created by: ayemme
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