Synonyms|5Antonyms|0|Broader|0Narrower|0Related|0
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area defined by its environmental conditions(noun, expression, environment, science, ecology)
3
ecological region(noun, expression, environment, science, ecology)
3
ecologically and geographically defined area(noun, expression, environment, science, ecology)
3
large unit of land or water(noun, expression, environment, science, ecology)
3
region containing a distinct biodiversity of flora and fauna(noun, expression, environment, science, ecology)
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APASmart Define. (1970). region with borders that are naturally defined by topographic systems and ecological systems thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/region_with_borders_that_are_naturally_defined_by_topographic_systems_and_ecological_systems/thesaurus/synonyms
ChicagoSmart Define. 1970. "region with borders that are naturally defined by topographic systems and ecological systems thesaurus" https://smartdefine.org/region_with_borders_that_are_naturally_defined_by_topographic_systems_and_ecological_systems/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 1970, region with borders that are naturally defined by topographic systems and ecological systems thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/region_with_borders_that_are_naturally_defined_by_topographic_systems_and_ecological_systems/thesaurus/synonyms>.
MLASmart Define. "region with borders that are naturally defined by topographic systems and ecological systems thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/region_with_borders_that_are_naturally_defined_by_topographic_systems_and_ecological_systems/thesaurus/synonyms>