953d2b99_al_Practice___Scope__Economics__Scale_and_Scope
[Augmentation] Extra Terestrial Life [Implications] Ever design a habitat that had no floors because there was no gravity? What about one where the life forms have radically different biological tolerances? What is Human? [Scale and Scope] 
Is there? Of course. The planet is being bombarded with biological materials - or the base chemistry of it - all the time. It does not have to be ET to be alive. The first complex Extra Terrestrials we may interact with may be our own descendants - new space habitats will quickly lead to new technological and biological adaptations.
Basic Architectural Practice - Scope, Economics
Scale and Scope