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human impact

Science

QuestionAnswer
extinction Describes a species that no longer have any known living individuals
Biodiversity the number of different species in an area
genetic diversity the range of genetic material present in a gene pool or population of species
species diversity variety of different kinds of organisms that make up an community
ecosystem diversity variety of habitats, living communities, and ecological processes in the living world
background extinction gradual process of a species becoming extinct
mass extinction event in which many types o f living things become extinct at the same time
natural resources material or substance such as minerals , forest, water, and fertile land that occurs in nature and can be used for economic gain
overexploitation over use of specific with economic value- a factor in species extinction
habit fragmentation break up of habit into smaller pieces, usually as a result of human activities
edge effect different environmental conditions that occur along the boundaries of an ecosystem
biological magnification increasing concentration of a harmful substance in organism at higher trophic levels in a food chain or food web
eutrophication the over-enrichment of water bodies (lakes, estuaries, coastal waters) with nutrients, primarily nitrogen and phosphorus, leading to excessive plant and algae growth
introduced species nonnative species that are either intentionally or unintentionally transported to a new habitat
renewable resource a natural resource that can be replaced at the same rate at which the resource is consumed
non-revewable resource a natural resource that is not replaced in a useful time frame
sustainable use use of resource at the rate that they cane be replaced or recycled
endemic native or confirmed to a particular region or people; characteristic of or prevent in a field
bioremediation the use of living organisms to detoxify and restore polluted and degrade ecosystems
biological augmentation uses organisms to add essential materials to degrade ecosystems
Created by: 326846
 

 



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