biological science vs stalked

biological science is a noun but stalked is not a noun.

Word	Noun	Adjective	Verb	Adverb
biological science	Yes	No	No	No
stalked	No	Yes	No	No

biological science (noun)	stalked (noun)
the science that studies living organisms

biological science (adjective)	stalked (adjective)
	having or growing on or from a peduncle or stalk