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PSSA Unit 6

Ecology PSSA Terms

TermDefinition
Evolution A process of change that explains why what we see today is different from what existed in the past
Extincition The complete elimination of a species from the earth
Endangered species A species that is in danger of extinction throughout all or a significant portion of its range.
Equilibrium The ability of an ecosystem to maintain stability among its biological resources (e.g., forest, fisheries, crops) so that there is a steady optimum yield.
Sustainability The ability to keep in existence or maintain. A sustainable ecosystem is one that can be maintained
Succession The series of changes that occur in an ecosystem with the passing of time
Created by: gmanwiller
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