Question

What invasive species are in the United States?

Answer 1

A lot...

Explanation:

There're a lot of invasive species than have enter the United States. Some include Zebra mussels, the Brown tree snake, and the Asian carp, which is a type of fish.

Most invasive species in the US are spread out over a region of areas though, and pose threat to other species that are native to those areas.

Source:

https://en.wikipedia.org/wiki/Invasive_species_in_the_United_States