Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An area bounded by natural rather than artificial borders that has characteristic flora and fauna and includes one or more ecosystems.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An eco-region.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

bio- +‎ region

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Examples

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