why did the biosphere 2 experiment failure

IMAGES

1. Biosphere 2: A Successful Failure

   

2. "Biosphere-2": Failure of an experiment to create a closed ecosystem

   

3. biosphere experiment 2

   

4. The Biosphere #2 Crazy Experiment

   

5. Why did Biosphere 2 fail?

   

6. What was ‘Biosphere II’ and why did it fail?