biological science vs variant

biological science and variant both are nouns.

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

biological science (noun)	variant (noun)
the science that studies living organisms	a variable quantity that is random
	something a little different from others of the same type
	an event that departs from expectations
	(biology) a group of organisms within a species that differ in trivial ways from similar groups

biological science (adjective)	variant (adjective)
	differing from a norm or standard
	exhibiting variation and change