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Ch. 5 Biodiversity

Vocabulary for Chapter 5

TermDefinition
Extinction The disappearance of a species when the last of its members dies.
Biodiversity Number of different species living in a specific area.
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.
Ecosystem Diversity Variety of ecosystems in the biosphere.
Food Web A model representing interconnecting food chains, and the pathways that energy and matter flow through a group off organisms.
Background Extinction Gradual process o species becoming extinct.
Mass Extinction A large-scale dying out of a large percentage of all living organisms in an area within a short time.
Natural Resource Materials and organisms in the biosphere.
Overexploitation Overuse of species with all economic value-a factor in species extinction.
Habitat Fragmentation Habitat loss from separation of an ecosystem into small pieces of land.
Edge Effect Any different environmental condition occurring along an ecosystem's boundaries.
Biological Magnification Increasing concentration of toxic substances, such as DDT, in organisms as trophic feels increase in food chains of food webs
Eutrophication Water pollution from nitrogen-rich phosphorus-rich substances flowing into waterways, causing algal overgrowth.
Introduced Species Nonnative species deliberately or accidentally introduced into a new habitat.
Renewable Resource Any resource replaced by natural processes more quickly than it is consumed.
Non-renewable Resource Any natural resource available in limited amounts or replaced extremely slowly by natural processes.
Sustainable Use Use of resources at a rate that they can be replaced or recycled.
Endemic Found only in one species geographic area
Bioremediation Technique using living organisms to detoxify a polluted area.
Biological Augmentation Technique of adding essential materials to a degraded ecosystem.
Created by: AKovach
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