Parasitism is an interaction in while the host is harmed
Answer:
You can determine something is living by classifying it if it has the seven characteristic of life
<span>vaccine
The wording given is pretty much the exact definition of a vaccine. The key to how a vaccine works is that it provides to the immune system, samples of the surface proteins of the infectious materials. With those samples available, the immune system is able to produce antibodies that react to those proteins.</span>
