/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).