'''Maintenance''' of an [[organism]] is the collection of [[processes]] to stay alive, excluding production processes. [http://en.wikipedia.org/wiki/Dynamic_Energy_Budget The Dynamic Energy Budget] [[theory]] delineates two classes. | '''Maintenance''' of an [[organism]] is the collection of [[processes]] to stay alive, excluding production processes. [http://en.wikipedia.org/wiki/Dynamic_Energy_Budget The Dynamic Energy Budget] [[theory]] delineates two classes. |