eats increase plant kilometer & increase in an plant earthquake can effect that plant to be extinct ->  hunting an animal can cause that animal to be extinct  hunting an animal can cause that animal to be extinct & a exercise is a mean of plant ->  hunting sloths can cause sloths to be extinct  hunting sloths can cause sloths to be extinct & a exercise is a mean of plant & scientist is when a mankind device an plant for poison / work in the tame -> human hunting sloths can cause sloths to be extinct