differentiated vs biology

differentiated is not a noun while biology is a noun.

Word	Noun	Adjective	Verb	Adverb
differentiated	No	Yes	No	No
biology	Yes	No	No	No

differentiated (noun)	biology (noun)
	the science that studies living organisms
	all the plant and animal life of a particular region
	characteristic life processes and phenomena of living organisms

differentiated (adjective)	biology (adjective)
made different (especially in the course of development) or shown to be different
exhibiting biological specialization; adapted during development to a specific function or environment