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Q&A Faux-natural barriers between environments in a world-sized zoo

Suppose a K-II civilization built a terrarium or zoo, featuring life and ecosystems from different worlds as it travelled through the universe. (By K-II I mean in terms of resources and energy bud...

5 answers  ·  posted 8y ago by JDługosz‭  ·  last activity 6y ago by JDługosz‭

Question space planets space-constructs ecology