What is an invasive species? (site 2)

An invasive species is a species that is either placed in a a new community or finds way there itself. Either way, it is not supposed to be there and it disrupts the natural order of things in the ecosystem that it invades. It can often almost eradicate a species in the food web, which can prove daangerous as it can destroy the consisteny of the whole food web.

the awnser is group 12

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them