sentences: hunting decreases animal populations & decreases in an animal population can cause that animal to be extinct ->  hunting an animal can cause that animal to be extinct  hunting an animal can cause that animal to be extinct & a sloth is a kind of animal ->  hunting sloths can cause sloths to be extinct  hunting sloths can cause sloths to be extinct & a sloth is a kind of animal & hunting is when a human kills an animal for food / recreation in the wild -> human hunting sloths can cause sloths to be extinct