Adaptation is the correct answer
The goal was to see if Earth's ecosystems could be successfully manufactured and maintained elsewhere in the galaxy, should we need to bail on this planet.
It was named Biosphere 2 because it was meant to be the second fully self-sufficient biosphere, after the Earth itself
50 is 16 times greater than 34
If they find them unattractive there's a probability they wouldn't mate because they are different species and genera
