An area or a region distinguished from adjacent parts by a distinctive feature or characteristic, An area of a given radius within which a uniform rate is charged, as for transportation or shipping, Ecology An area characterized by distinct physical conditions and supporting a particular type of flora and fauna, transitive verb_ To divide or designate into zones, To surround or encircle

Simple past tense and past participle of threaten, adjective_ ecology, of a plant or animal At risk of becoming endangered in the near future, Feeling insecure or vulnerable, At risk of becoming extinct or of becoming an endangered species. Used of a plant or animal species

the ability to sustain something, the property of being sustainable, ecology a means of configuring civilization and human activity so that society, its members and its economies are able to meet their needs and express their greatest potential in the present, while preserving biodiversity and natural ecosystems, planning and acting for the ability to maintain these ideals for future generations

The relationship between organisms and their environment, the environment as it relates to living organisms, The branch of biology dealing with the relationships of organisms with their environment and with each other

of or pertaining to ecology, characterized by the interdependence of living organisms in an environment, not harmful to the environment

Areas of a country situated away from the capital or population center, Ecology An area of land, less extensive than a region, having a characteristic plant and animal population, A part of a country or state as distinguished from the capital or the larger cities; the country_ usually in the plural_ as, an actor who is starring in the provinces

Economics The rate at which goods or services are produced especially output per unit of labor, The quality or state of being productive; productiveness, Ecology The rate at which photosynthesizing or chemosynthesizing producers form organic substances that can be used as food by consumers