Answer:
Three Laws of Biology. “Social rules can be broken, but the laws of nature can't.”
A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms. Many of these regularities of ecology and biogeography are named after the biologists who first described them.
Protista contains only unicellular organisms can either be heterotrophs or autotrophs.
A vaccine promotes immunity by injecting the user with the virus or illness to help the body figure out what to do and thus build a defense from it hoped I helped (:
