An airline pilot notices that there are usually many rabbits and deer on the runways of a large airport each moring. the prence of these animals potential flight hazard, and she feels that something should be done to prevent them from occupying the runway

The airline pilot should have a normal or a electric fence put up around the runway to keep both passengers and animals safe.

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the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.