Question

question: a hollow nerve cord, a notochord, pharyngeal pouches, and a tailbone are defining characteristics of _____. answer input: spelling counts but capitalization doesn’t.

Explanation:

In biology, chordates are defined by having a notochord, a dorsal hollow nerve cord, pharyngeal slits (or pouches in development), and a post - anal tail (which can be a tailbone in some). These features match the ones given in the question.

Answer:

chordates