Tyler Christopher is leaving 'General Hospital' â Nikolas has been recast at 'GH' with Nick Stabile. Get the details. Tyler Christopher is leaving 'General Hospital' â Nikolas has been recast at 'GH' with Nick Stabile.
Definition of BIOREGION. : a region whose limits are naturally defined by topographic and biological features (as mountain ranges and ecosystems).â bioÂ·reÂ·gionÂ·al \ËbÄ«-Å-ËrÄj-nÉl, -ËrÄ-jÉ-nÉl\ adjective.ADVERTISEMENT. a region whose limits are naturally defined by topographic and biological features (as mountain ranges and ecosystems).
Earth is the largest ecosystem, divided into biomes, large areas with similar climate and vegetation. A biome is a large ecosystem, extending over a wide geographic region, characterized by certain dominant life-forms â most notably, trees or the lack thereof.n ecosystem is a community of organisms that interact with each other and with the abiotic (chemical and physical) factors in their particular environment. A biome is the largest well-defined ecosystem. Biomes include vast grasslands, continent-wide deserts, and sweeps of arctic tundra.