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Ba Be Bi Bo Br Bu
Bio Bis

Biota

/bīˈōtə/

Noun

1. The animal and plant life of a particular region, habitat, or geological period. (Google Dictionary)

2. (Ecology)
The plant and animal life of a region. (wikipedia.org)

3. (Taxonomy)
A superdomain in taxonomy. (wikipedia.org)

4. An evergreen coniferous tree, Platycladus orientalis. (wikipedia.org)

Word origin: From Ancient Greek, ultimately from βίος (bios).