Artificial Biosphere
On planet Earth, we have some large farm houses, that have some population of family members, workers and farm animals, that produces almost all crops for there requirement. They are self-dependent and depends very less or almost zero on external supplies. Oxygen rich air and aquifer water connects them to the other parts of society. Common examples are Jail, military colonies, presidential palace, Agricultural college & research stations, etc. A living eggs too inspires an Artificial Biosphere. The life inside the egg has very few requirements, while a human entering an Artificial biosphere will have a large requirements. Cruise ships, have good role in human civilization developments. It has food reserves for some months. They have inspired artificial biospheres. Earth's ocean based Submarines, made human to stay in a small enclosure. Here the food, water, oxygen, energy, etc. reserves are for small period say a week. Submarines inspired the near to Earth, Space station, th