Think about this question: Why are invasive species a problem?
Which sentence from the text would you cite as text evidence to support your answer? Choose the best option below.
Scientists worry that it's too dangerous to collect and eat invasive species.
Each year, invasive species cost the U.S. billions of dollars in control efforts, lost crops, and damages.
Some invasive species arrive in the U.S. as exotic pets and are then set free by careless owners.
Write your answer here. Click SUBMIT when you are done.