symbiotic vs biological science

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

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

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

symbiotic (adjective)	biological science (adjective)
used of organisms (especially of different species) living together but not necessarily in a relation beneficial to each