Astigma is
a. a mark of social disgrace that sets the deviant apart from the rest of society.
b. used as a form of social control.
c. an act that has serious negative consequences.
d. none of the above

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.

answer; genetics;