variant vs biological science

variant and biological science both are nouns.

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

variant (noun)	biological science (noun)
a variable quantity that is random	the science that studies living organisms
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

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