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Noun, pl. biomes

1. A large naturally occurring community of flora and fauna occupying a major habitat. (Google Dictionary)

2. Climatically and geographically defined as similar climatic conditions on the Earth, such as communities of plants, animals, and soil organisms,[1] and are often referred to as ecosystems. (

3. Any major regional biological community such as that of forest or desert. (

4. A major ecological community of organisms adapted to a particular climatic or environmental condition on a large geographic area in which they occur. (

Word origin: bi: variant of bio-, esp. before a vowel + -ome: New Latin -ōma, -ōmat.

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