hibernating vs biological science

hibernating is not a noun while biological science is a noun.

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

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

hibernating (adjective)	biological science (adjective)
in a condition of biological rest or suspended animation