What is a defining feature of chordate embryos?

A) cephalization
B) a ventral nerve cord
C) ganglia
D) a brain
E) a dorsal nerve cord

Chordate Embryos

Early developmental stages of chordates, characterized by possessing a notochord, a dorsal neural tube, pharyngeal slits, and a post-anal tail at some point in development.

Dorsal Nerve Cord

A key characteristic of chordates, running along the dorsal (back) side of the body, part of the central nervous system.

Ventral Nerve Cord

A major nerve running along the belly side of arthropods and some other invertebrates, involved in transmitting sensory and motor information.