Some native species are being crowded out by 'exotics'.
She's known for her 'exotic' tastes.
an 'exotic' locale
(..) but not very practical. You see, the energy source, the material that you need To keep the throat of a wormhole open Is something so exotic That we cannot produce it in the laboratory. But if you could, it might be possible To exploit the power of (..)2010 TvShow: How the Universe Works Title: Black Holes Season: 1 Episode 2