biological science vs ecologic

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

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

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

biological science (adjective)	ecologic (adjective)
	of or relating to the science of ecology
	characterized by the interdependence of living organisms in an environment