allopatric vs biological science

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

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

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

allopatric (adjective)	biological science (adjective)
(of biological species or speciation) occurring in areas isolated geographically from one another