Write 1 paragraph, with 5 to 7 lines, in complete sentences. One type of sea animal often moves to new waters by hitching a ride in or on ships. The animal can hurt the environment in the new
areas. What do you think?
Most problems in the environment happen by chance.
Do you agree or disagree? Explain why?

Invasive species"—they may not sound very threatening, but these invaders, large and small, have devastating effects on wildlife.

Brown Marmorated Stink Bug, Shutterstock

Invasive species are among the leading threats to native wildlife. Approximately 42 percent of threatened or endangered species are at risk due to invasive species.

Human health and economies are also at risk from invasive species. The impacts of invasive species on our natural ecosystems and economy cost billions of dollars each year. Many of our commercial, agricultural, and recreational activities depend on healthy native ecosystems.

What Makes a Species "Invasive"?

An invasive species can be any kind of living organism—an amphibian (like the cane toad), plant, insect, fish, fungus, bacteria, or even an organism’s seeds or eggs—that is not native to an ecosystem and causes harm. They can harm the environment, the economy, or even human health. Species that grow and reproduce quickly, and spread aggressively, with potential to cause harm, are given the label “invasive.”

swipe left

um, what am i suppose to answer here? it just said that he will studied hared because of a grade in spanish.