zoology vs vertebrate

zoology and vertebrate both are nouns.

Word	Noun	Adjective	Verb	Adverb
zoology	Yes	No	No	No
vertebrate	Yes	Yes	No	No

zoology (noun)	vertebrate (noun)
the branch of biology that studies animals	animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
all the animal life in a particular region or period

zoology (adjective)	vertebrate (adjective)
	having a backbone or spinal column