Community of organisms - whether biological or alife - interacting with one another and with the chemical and physical factors making up their environment.
- Biodiversity - Text by M. Alan Kazlev
The abundance of different biological species and varieties found in any environment, such as a natural biosphere, a ship, or an orbital or deep-space habitat. In almost every case (there are exceptions - e.g. on special purpose ships, military, freighter, etc etc), a high biodiversity is preferable to a low biodiversity for ecological robustness, resource value, evolutionary potential, and aesthetic appreciation.
- Biosphere, Planetary
- Biospherics - Text by M. Alan Kazlev
The study, design, construction, and maintenance, of artificial biospheres.
- CELSS Closed Ecological Life Support System