ontogeny vs biological science

ontogeny and biological science both are nouns.

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

ontogeny (noun)	biological science (noun)
(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level	the science that studies living organisms