biological science vs polymorphic

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

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

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

biological science (adjective)	polymorphic (adjective)
	relating to the occurrence of more than one kind of individual (independent of sexual differences) in an interbreeding population
	relating to the crystallization of a compound in two or more different forms
	having or occurring in several distinct forms