Scientific? Sure, see above
Everyday language? Usually not.
Oh, and to avoid a common misconception:
 Quote by discovery.com
Scientists describe virtually everything that is alive as animal or plant. So, if you're not a plant then you are an animal!
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This is wrong. There are multiple ways to classify all living species, but all involve more groups: There are species which are neither animals nor plants. See the graphs and lists
at wikipedia for an introduction.