Adaptive structure (n.) is a structure in a living or social system that adjusts to keep the system stable as conditions change.
Adaptive structure (n.) is the fact of living systems that are able to maintain homeostasis in the face of both short-term environmental fluctuations and, by transformations in their own structures, through long-term nonreversing changes in their environments as well.
A Balcony (n.) is a small stage where private life briefly faces the street
A Balcony (n.) is cleaned by one household and dripped on another.
A Balcony (n.) is a must — a room without one is a prison cell
A Beehive (n.) is like a factory where the workers are also the walls.