Respuesta :

I would say Virus.

Well bacteria don’t need hosts. They live on everything around us. So it’s not bacteria. The Fungi do not need a host to survive unless they are a parasite. Protozoa don’t need a host to survive, unless they are a parasite as well. However, the virus can survive outside of the host. It’s not for long, and it’s a poor life.
christinekfran3
Virus, Because when you are sick the bacteria is every where inside you. Also say if you don’t brush your teeth but your eating something all the bacteria in your mouth will cause you to have some sort of bacteria.

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