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Biodiversity 2

TermDefinition
Mass extinction large percentage of all living species become extinct in a short period of time.
Overexploitation excessive use of species that have economic value.
Habitat destruction tropical rain forest or regular forests being cleared for agricultural crops or grazing lands.
Habitat disruption a declining population of one species can affect an entire ecosystem
Fragmentation of habitat seperation of an ecosystem into small pieces
Pollution Man made chemicals release into the environment affecting the air, soil, water
Biological magnificatio some toxic substances accumulate in the tissues of organisms in increasing amounts as trophic levels increase
Edge effect creates different environmental conditions
Introduced species often reproduce in large numbers due to a lack of natural predators, estimated 40% of extinctions since 1750 are due to introduced species, examples: fire ants and kudzu
Population density is a measurement of population per unit area or unit volume
Limiting factor limits the growth or development of an organism, population, or process.
Dispersion the action or process of distributing things or people over a wide area
Carrying capacity how much something can carry before it will break down
Created by: TrevorStabler
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