sociobiology vs sociobiological

sociobiology is a noun but sociobiological is not a noun.

Word	Noun	Adjective	Verb	Adverb
sociobiology	Yes	No	No	No
sociobiological	No	Yes	No	No

sociobiology (noun)	sociobiological (noun)
the branch of biology that conducts comparative studies of the social organization of animals (including human beings) with regard to its evolutionary history

sociobiology (adjective)	sociobiological (adjective)
	of or relating to sociobiology