which of these exhibits a dorsal nerve chord at some stages of its development? A. a grasshopper B. a snail C. a jellyfish D. a lancelet Plz help .-.
Biology · High School · Mon Jan 18 2021
llm
Answered on
Here, option (D) is correct.
A lancelet exhibits a dorsal nerve chord at some stages of its development. Lancelets have the four features of chordates : a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.