Work that the east Indian did on the plantation

make flash cards, or have a 'study date' with your friends or something! always works for me! : d

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; you can turn right on a red signal (when posted);