A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.
5 times but it’s concerning you don’t know how to do this. I’m not trying to judge but I’ll try to explain. First trip 9-2=7. Second Trip 7-2=5. Third trip 5-2= 3. Fourth trip 3-2. Fifth trip 1-1= 0.
